It s all over the news that President Trump s popularity is sliding down a slippery slope, even among his Republican cronies. Former CBS News anchor Dan Rather sat down with CNN and disclosed that he is predicting some Republicans could completely defect from President Trump if his poll numbers slip below 30 percent. They re afraid that he may have indeed committed some impeachable offense, and also they re hearing from home that a lot of their constituents have increasing concerns about the Trump presidency,  Rather told CNN s Don LemonPhoto by Kirk Irwin/Getty Images for SiriusXM