 We'll call it the Biden problem. Most Democrats know that Biden's mental function is not up to the job of being president today, much less for the next four years. And by the way, that's not me being some right-wing nutjob on the radio. That's what the Democrat voters have said themselves. A poll out by the Associated Press. Not exactly a right-wing news agency, right? The Associated Press. Two-thirds of Democrat voters believe that Joe Biden...