host: tal kopan, your thoughts on that? guest: when joe biden -- [indiscernible] in a morea lot of -- private circles about who he should pick. one of the strong sentiments was that he would pick a woman, a woman of color and he needed someone younger than him which was one of the reasons i heard folks say elizabeth warren wasn't a great idea. energetic and vigorous she was as a campaigner she is closer to joe biden's , age. when you mention harris's energy, i think that is what the biden campaign once you to see, and her as the next generation of democratic politics coming up with joe biden as he they hope, he ascends to the presidency. host: harris was for medicare for all before she was against it. how does she reconcile these opposing positions? guest: as much as we mentioned the tulsi gabbard moment, you ofld argue that that sort flip-flopping or continuous clarification on medicare for all was the hardest moment for her in the presidential campaign. she fully embraced it and then put out her own plan that she said was