different thing. i view isis, very important. i love the fact that russia is hitting isis. as the far as i'm concerned they have to continue hitting isis. >> in syria, russia is hitting the groups we are backing the. >> why are we backing the groups? we are giving billions of equipment to people, here we go again. we are giving all of this money and all of this equipment to people we have no idea who they assad. assad is no baby, he's not good. but who are the people that we are backing? here we go again. >> that's president obama's argument. >> that's good. >> we have no idea. >> why is he doing it? he is giving them a lot of weaponry. we're backing people that want to knock out assad. russia and iran now a power, made them the power, they're backing assad. we have got to get rid of isis. we have to get rid of the people chopping off everybody's head >> you will be hearing more from donald trump this saturday when cbs news carries the next republican party presidential debate. it starts at 9:00 p.m. eastern. hosted by face the nation moderator john dickerson. the cbs -- cbs overnight

shelled kurdish troops in syria. fresh evidence that last week's cease-fire signed by the u.s., russia and others never had a chance. russian war planes are clearing the way for the assad dictatorship to overrun the created the chaos that led to isis. and holly williams is following this desperate fight. >> reporter: from bep neath the rubble of a shattered building a little boy waves his hand, telling rescue workers he is still alive. second later they free him. bloodied, but breathing. they also dig frantically for a baby. but when they get to this child, it's too late. we can't independent leap verify these videos. but they aper to show the syrian regime's new offensive in aleppo province which is backed by russian air strikes. hassan haj ali, a rebel commander who told us his men have received weapons from the u.s. and are trying to fight off the assault. children, he told us, they're telling syrians to get out of rebel held areas. as the regime and russia bombard aleppo province, the battlefield there has become even more chaotic. now there is evidence that groups supported by the u.s

northern russia, above the arctic circle. 81 minors were rescued after the original blast, but those still trapped are presumed dead. >>> coming up, we follow the new e-mail trail in a flint water crisis. >>> and a cruise ship threatened cbs news will be right back. did you know there's a cough liquid that lasts for twelve hours? try delsym twelve hour cough liquid. its advanced formula releases powerful medicine that acts fast while its extended release medicine lasts for 12 hours. try delsym . dry spray? that's fun. it's already dry! no wait time. this is great. it's very soft. can i keep it? (laughs) all the care of dove... (cell phone rings) where are you? well the squirrels are back in the attic. mom? your dad won't call an exterminator... can i call you back, mom? he says it's personal this time... if you're a mom, you call at the worst time. it's what you do. if you want to save fifteen percent or more on car insurance, you switch to geico. it's what you do. where are you? it's very loud there. are you taking a zumba class? sometimes we use k-y ultragel to enhance my body's na

? >> translator: i can't say for sure how long it will be until aleppo falls to the regime. or iran and russia, he told us. we'll stand and fight who ever attacks us. >> reporter: the syrian rebels, some of which are backed by the u.s., rose up against the regime nearly five years ago. if they're now defeated, scott, syria would be divided between isis on one hand and the regime which has indiscriminately bombed its own people. >> holly williams covering the war for us tonight. holly, thank you. president, gayle king also want to know how mr. obama has changed. after years of challenges such as north korea and syria. >> i'm curious how the presidency has changed you as a president. now eight years in. how you have changed as a president and how you have changed as a man in the time you have been in te office? >> you know, i think my basic character is unchanged. and michelle and close friends of mine who have known me for years would say, he's the same guy. there is obviously some hard-won wisdom from -- >> uh-huh. >> from overcoming challenges. figuring out really hard problems. i told somebody i

russia came and went with no pause in the fighting. though all sides say they're still willing to negotiate a temporary truce. this weekend, president bashar al-assad said it publicly in an interview. but he doesn't trust the opposition fighters to lay done their arms and they certainly don't trust him. so the war grinds on. aleppo, russian planes and the syrian army are battling together in a huge offensive designed to cut off the opposition supply lines. at the moment, they're winning. one more reason the syrian government may be dragging its heels on a truce. but the pressure jeff is building. president obama's expected to speak with russian president vladamir putin in the coming days to hammer out detales of some kind of pause in this war. >> liz, thank you. >>> the dalai lama had reassuring words for followers speaking in minneapolis. he said he is in good health despite undergoing treatment for a prs tateostate condition at mayo clinic. he is 80 years old. >> catholic diocese asked pastors to cut ties with girl scout troops. concerned about the scouts issues on social issues

partners pumping full blast. russia, too. and the united states. you've heard of fracking? pumping water into shale formations to free hard-to-get at oil and gas. well, fracking meant that the united states suddenly was producing a lot more oil. so much that for the first time in 40 years, we're exporting it. 5 million barrels a day in 2008 to 9.7 million barrels a day in april of 2015. in other words, u.s. oil production almost doubled in a matter of just a few years. >> reporter: during the good years, midland and odessa, texas turned into boom towns. same story in williston, north dakota. based on $100 a barrel oil, of dollars to buy into the bonanza. workers flocked to the oil patch. >> i heard about all this big money. so i thought i could get a little piece of that pie, i suppose. >> reporter: so many they had to live in trailer camps. on cots in church halls. then the price crashed, thanks in large part to china's slowing economy. meanwhile, every day the world million and a half more barrels of oil than it needs. there's an ocean of it out there. in massive storage tanks. a

. and russia agreed to a partial cease-fire in syria to start saturday. but it won't stop the fighting. two important forces, isis and the al qaeda affiliate called al agreement because they're terrorist groups. and about a third of syria is yesterday, isis claimed responsibility for bombs that killed at least 100 in suburban damascus and our elizabeth palmer is there. all day, the men of sayeeda zainab carried victims to the graves. on the face of women. shock and grief. the friends are mourning 22-year-old fatima. our heart are broken, they say. what did she do to deserve to die? but there was anger and frustration too. at the bomb site, local residents pitched tine clean of and make the streets again. but furious isis managed to smuggle three bombs into their community. standing a couple yard from a car bomb. in the afternoon. as kids were getting home from school. and the scope of the damage, the fronts of the buildings have been blown clear off. and everybody who lived inside. and merchants ran the shop from the ground floor they're all dead. this video shows the the fran

in a russian coal mine have killed at least three dozen. it happened in northern russia above the arctic circle. 81 miners were rescued after the original blast, but those still trapped are presumed dead. >>> coming up, we follow the e-mail trail in flint's water cbs news overnight will be right enough pressure in here for ya? i'm gonna take mucinex sinus-max. too late, we're about to take off. these dissolve fast. they're new liquid gels. and you're coming with me... you realize i have gold status? mucinex sinus-max liquid gels. dissolves fast to unleash max strength medicine. let's end this. uh, hello geico?... yeah, i was just talking about your emergency roadside service and how it's available 24/7 and then our car overheated... what are the chances? can you send a tow truck please? uh, the location? you're not going to believe this but it's um... it's in a tree. i wish i was joking, mate, but it's literally stuck in a tree. (car horn honking) a chainsaw? no, no, all we really need is a tow truck. day or night, geico's emergency roadside service is there for you. sometimes we

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trying to broker an immediate cease-fire. secretary kerry pushed russia and iran to stop attack in aleppo and let in aid to bee sieged areas. vladimir putin's military has cut off supply lines to the u.s.-backed rebels, and u.s. officials warn that that strengthens both isis and assad and it leaves the u.s. with little leverage in a war president obama has resisted getting involved in for five years now. house, thank you. >>> today cleveland mayor frank jackson apologized to the family of tamir rice after the city billed his estate $500 for ambulance services. the city also tore up the bill. in 2014 a cleveland cop shot rice who was 12. he was holding a gun that turned out to be a toy. he died the next day at the hospital. the officer was not charged. >>> in a big development today, scientists have announced what may be mongsamong the greatest physics. they believe they found gravity waves predicted by einstein but two huge antennas, one in washington state, the other in louisiana, detected a gravity wave last september. this confirms einstein was right when he described the univer

effect at midnight. the temporary truce broked by the united states and russia is designed to allow food and medicine to reach cities and bring the syrian government and its opponents back to the negotiating table. not all the hospital tillties will stop. the islamic state. elizabeth palmer is on the front lines outside damascus. >> reporter: this used to be a neighborhood. now it's a battlefield where the syrian army says it's got the en enemy on the run. there's been an air strike behind me. we're about five miles from the center of damascus and the this area of opposition fighters? fighters. there's no cease fire for the moment. he takes us to see buildings half a mile away. overhead we can p hear the helicopters scouting their target, then -- what are they hitting? they're terrorists, he says. those are barrel bombs? yeah. barrel bombs are basically cannisters filled with explosives rolled out of a chopper. they're cheap, but horribly inaccurate. there? no, there are only fighters, but there are fighters families near by we enter tunnels dug by soldiers where they hid and fought