that biden remembered. this is starting to make democrats question is he the best opponent to donald trump. paul: he got in in april or something, he's been the frontrunner since april. there have been reports about his gaffes, his slip-ups, his memory mistakes and so on and people, the media have focused on those relentlessly. here biden is and he's at the top of the polls. doesn't that suggest staying power? >> i think that will happen for a little bit. let's look at one other thing. we have new rounds of debates. mostly the centrists are out out because they couldn't get support among the democrat primaries. it's the left-leaning that met all the criteria. at some point, those candidates are also going to be leaving the campaign and those votes are going to start going to other