tim alberta examines trump's obsession with possible defectors and whether any of them would actually turn against their own party and president on an impeachment vote. he writes, "venting privately about the president has become a hallowed pastime in republican-controlled washington, a sort of ritualistic release for those lawmakers routinely defending the indefensible. but it's also evident that barring a plain admission of guilt by the president himself, think jack nicholson in a few good men, the republican party will not be foresaking trump. joining us now jennifer rubin, an opinion writer at the "washington post" and tim miller from jeb bush's 2016 campaign. jennifer, look, you are an optimistic former republican