Nothing was unethical," Biden responded. "Here's what's the deal, regarding with Ukraine, we had this whole question about whether or not because he was on the board, I later learned, of Burisma, a company -- that somehow I've done something wrong. Yet every single solitary person was going through with his [Trump's] impeachment, testifying under oath who worked for him said I did my job impeccably. I carried out U.S. policy not one single solitary thing was out of line. Not a single thing."