biden's son, was on the board of. in that sense he was advancing his personal interest using u.s. foreign policy. what do you say? >> it's very simple but since donald trump has done a good job of trying to confuse people, let me break it down. in the first instance joe biden was acting on behalf of the u.s. government at president obama's direction he was implementing what was bipartisan u.s. policy at the time supported by republicans and democrats in congress, our western allies, the international monetary fund, which was to try to persuade them to get rid of this corrupt prosecutor who was in charge of prosecuting corruption. we did that because the united states and the international community was providing billions of dollars in assistance to the newly elected government of ukraine and we wanted to see that money spent responsibly. that was the basis of vice president biden's actions. by the way, it had nothing to do