earlier? >> reporter: you're seeing the president's second state visit overshadowed by this whistle-blower's complaint as the president defends himself against it and he believes it's a political hunt against him he admitted while the whistle-blower is partisan he doesn't know who it is and hasn't read this complaint though says his staff has seen it and made them laugh though he didn't detail what was in the complaint that made them react that way and the president also doesn't recall which conversation it is that he had, if it is a conversation he had with the ukraine ian president that led to this whistle-blower's complaint, what was so alarming they needed to file a complaint against it. the president did not deny the fact he brought up joe biden during his last conversation with the ukrainian the oval off >> it doesn't matter what i discussed but i will say this, somebody ought to look into joe biden's statement. it was disgraceful where he