from the hill. behind the scenes in recent months, former president barack obama has gone to bat for elizabeth warren when speaking to donors reluctant to support her given her knocks on wall street and the wealthy. and if warren becomes the nominee, obama says they must throw the entirety of their support behind her. i got two questions for you. a, do you believe this reporting? and, b, what about joe? >> so, one, i do believe the reporting. it's been very interesting who has really sort of claimed the obama legacy. he had a lot of staff go with beto. he's had some staff come out and endorse mayor pete. now we hear him whispering, look, you should support elizabeth warren. i think the president is trying to make a good-faith argument to not put his thumb on the scale at this particular point. everybody expects him to be supportive of joe biden, so he's sort of moving the opposite way. i also have to say we keep getting these leaks from obama himself that he's not that supportive of joe biden, that he's sort of suggested, joe, you