Just hours after a third Republican senator came out against the latest healthcare proposal, all but guaranteeing its defeat, GOP Sens. Lindsey Graham and Bill Cassidy defended it during a televised debate with independent Sen. Bernie Sanders and Democratic Sen. Amy Klobuchar on CNN. Graham and Cassidy, the namesakes of the latest Republican attempt to repeal the Affordable Care Act, spent the night repeating their talking points about the law signed by President Obama in 2010.