After a year of belittling women, African Americans, unions, the elderly, college students, and the poor, it would seem almost impossible for the Republicans to sink any lower. But a few weeks ago, they managed to hit a low that left a lot of card-carrying Republicans with a bad taste in their mouths, when Republican members of Congress actually voted against an international treaty that would have recognized the rights of disabled people. Mike Papantonio talks about the GOP’s descent to the bottom with Nancy Cohen, author of the book “Delirium.”