>> this is clearly a disappoi disappointing moment. >> this dramatic moment. ape thumbs down -- a thumbs down, crystallizing a stunning night on capitol hill. republicans' efforts to repeal obamacare failed. the vote came hours ago. john mccain's deciding vote left lawmakers and the country stunned. we have the vote covered across washington this morning. welcome back to "early start." big morning here. i'm christine romans. >> i'm dave briggs. a day republicans and democrats will not soon forget. some high drama on capitol hill stretching into the we have hours of the morning. senate republicans trying to repeal and replace obamacare. and that vote coming up short when the maverick made his mark. senator john mccain days removed from his cancer diagnosis, stunning the chamber turning the