researchers in the uk find that consumption of around five large glasses of wine over a week over the course of 30 years are worst off in their mental ability. with mris showing structural changes in the brain. >>> and it's a girl and a boy. actor george clooney and wife amal welcoming twins ella and alexander, their first children. a spokesmen announcing the arrival, saying they're doing healthy and doing well, and adding that, george is sedated and should recover in a few days. congrats to that growing family. >>> when we come back -- america strong tonight. the sacramento climber making history. no harness below. climbing el capitan. those are trees down below. and we asked him, what did his mother say? did he tell her? got it. rumor confirmed. they're playing. -what? -we gotta go. -where? -san francisco. -when? -friday. we gotta go. [ tires screech ] any airline. any hotel. any time. go where you want, when you want with no blackout dates. [ muffled music coming from club. "blue monday" by new order. cheers. ] [ music and cheers get louder ] the travel rewards credit card from ban

many leaders in the uk unable to access e-mails. the big question tonight is, who's behind it all? abc's ron claiborne is in london with the latest. >> reporter: an audacious cyberattack on the british government. tonight, every member of parliament shut out of remote e-mail by the british government. as hackers attempted to break into their accounts. >> blanket targeting of members of parliament is serious. it's very serious in nature. if i can get access to your e-mail account, then i get access to a lot of of information. >> reporter: the hack attempt first discovered friday, led to the shutdown and this alert from parliament. in attempt to identify weak passwords. these attempts were specifically trying to gain access to user e-mails. this member of parliament taking to twitter, sorry, no parliamentary e-mail access today, we're under cyberattack from kim jong un, putin or a kid in his mom's basement or something. it wasn't immediately known who was behind the attack. but "the times of london" reports that russian hackers have been selling e-mail addresses and passwords of seni