stirring up more speculation about a possible white house run, giving hillary clinton sagging poll numbers. what kind of an impact could a biden bid have on the race? joining me now, professor of law and political science at usc and a fox news contributor. always good to see you, susan. >> good to see you. i love that color, by the way. >> thank you very much. so let's -- >> you look great today. >> ah, thank you, susan. what's the upside for vice president biden, if he throws his hat in the ring? >> you know, he wanted to be president. he wanted to be president enough to try for it twice. he's been a loyal number two for eight years. it's now or never. we used to joke in massachusetts that every alderman sees a president when he shaves in the morning. you know? had he looks in the morning, that's the president. almost every member of the senate, i think, in my experience, dreams of being president, and joe biden has been around washington a long