tone that's reportial rather than adversarial. >> it's interesting, though. you talk about the emotional toll it takes on a president and the isolation. in some ways -- well, let me ask. comparing the stress that nixon was under and the complexity of the watergate investigation with this investigation, which actually potentially involves his children, you know, his closest friends, his finances, his past business deals, is this almost more complex for this president and perhaps even closer to home? >> well, they're both very emotional events for each president of the united states. and one reacts one way, and the other -- nixon reacted, he was presiding over a criminal cover-up. >> but trish nixon was involved in front of -- >> that's what most of his efforts, i think, went into whereas trump, we see trump's reactions every day. and, yes, he is under siege, and he thinks and feels and believes he is unfairly under siege.