concern about the trenbiden. as you point out, joe biden has been ahead in most of these polls for most of the time and at some point that s going to be the thing. at some point we re going to stop talking about who might catch biden and if he stays ahead of these polls, it s going to be joe, just like it was in 2016. but the trend here, and i think you can go back to our poll at the wall street journal in june that showed what a path warren has ahead of her. whether she can take advantage of it is another question. she s the second choice getting into these equations that we like to do here in washington of every major candidate. sanders the second choice of none. even warren ewarren s own suppo their second choice was harris, not sanders. that would suggest a much tougher path for sanders to jump ahead of biden than warren but we ll see what warren does. i will say on this ad, it seems like a very compelling ad. how many times have we sat