the democrats in the hearing hammering on the theme, as congressman lieu did. they said sessions either lied to the house or lied to the senate. sessions is adamant he didn't. does this just become he said/he said sort of game inis it over or is perjury a real risk here? >> it is a real risk here. i would remind the attorney general that the former white house chief of staff bob hauldman was convicted for perjury for not recalling. he had the same amnesia problem. so there's a history, these are not difficult cases to prove. they take a little bit more digging, and we don't know what mueller might have. but i suspect he's looking at this as well. >> that's a pretty significant thing to say. the example, i think one that many may not be aware of. mark, sessions was also asked today about whether he would bow to president trump's public request to investigate hillary clinton. okay. first, let me play for everyone so they remember trump's promise because he was very explicit on