the only other candidate to suffer any remotely similar drop was beto o rourke. other candidates saw their electability number go up. so a horse race concern for biden. a potential electability concern for biden. no good polling news today for the democratic frontrunner after that debate. i m joined now by nbc news correspondent mike memoli. he has been all over the biden story from the beginning. and nbc news political reporty ali vitalia, our road warrior. mike, i got to start with you. what is the mood in biden world today? reporter: well, i think we saw a little bit of the mood in biden world. and the only thing we have heard from the biden campaign today, which is a strong statement from the former vice president of north korea. this is indicative of an effort to try to turn the page very quickly to a comfort zone which is that general election argument with donald trump. i just heard from a very senior biden official, though in, terms of this new poll saying we are no more conc