i got a call from someone identifying himself only first as frank from palm beach and he wanted to hold forth on the issue of president trump and the obstruction of justice and he seemed particularly well-read. i kept the chat going and then he stopped and told me this. >> caller: i'll reveal one thing in my prejudice here, my brother was the vice-president of the united states. >> my listener was frank biden, youngest brother of joe. here's what he had to say about his notorious ushering out of the office of mike pence before he talked alone with james comey. >> caller: president obama would never ever have shoed joe from a room, period. the idea that the president of the united states would separate himself from what you would think is his alter ego and his ultimate sounding board and his confidante and the most trusted person that he has in his circle, and to tell him to leave that meeting, conduct something that would be at the very best categorized as clandestine and at the worst, categorized as coercion, is beyond me, and a reasonable man test. >> tonight, frank's brother, joe, wi