The last time anyone paid much attention to the Republican effort to repeal and replace the Affordable Care Act was when it was failing on the Senate floor in late July. That was the end of the end, we were told. Not so fast! Suddenly there appears to be a last-minute attempt -- led by Lindsey Graham of South Carolina and Bill Cassidy of Louisiana -- to get rid of Obamacare. How much of a chance does this last-ditch effort have? I reached out to CNN's congressional correspondent -- and resid...