>> seven years of repeal efforts have now essentially gone up in smoke leaving a frustrated mitch mcconnell to explain on the senate floor. >> i and many of my colleagues did as we promised and voted to repeal this failed law. we told our constituents we would vote that way, and when the moment came, when the moment came, most of us did. >> two other republican senators, maine's susan collins and alaska's lisa murkowski, joined mccain, crossing party lines to vote against the repeal bill. how did this go down behind the scenes? where do gop leaders go from here? we'll go live to phil mattingly on capitol hill. good morning to you, phil. how did this go down late last night and early this morning? >> reporter: yeah, an amazing moment. to get context from the video you saw, senator mccain voting