weeks to release analysis. if senate republicans plan to act they have to move qukly. phil mattingly has more. >>reporter: the worou heard in the weeks leading up to last week were dead, buried, gone. mechanic we'll try it again next year or the year after. no longer standing that way. the effort right now is very real and serious on a very compressed timetable. considering a new proposal. they only have 11 days to do it. by september 30th, they need to get this done if they want to, under budget rulesby able to pass something with a simple majority vote. the big question now is what's in this proposal. what it would do is a dramatic shift in how the u.s. has health care. one sixth of the economy -- there are some similar elements, like ending the medicate expansion in 2020. instead of keeping a less generous version of the obamacare tax subsidies, this would take all of the revenue and put them in block grants for specific states. this is a very real effort to get this done at the last minute. wait and see over the next couple of days how this progresses a big meeting tuesday after.