Clinton gives his thoughts on his impeachment trial during his presidency in an interview with O Magazine.
The personal aspect: What was I thinking? No matter how mad or scared I was about what else was going on, why in the wide world did I do that? And how can I make it up to everybody involved, beginning with Hillary and Chelsea, my administration, and the American people? That was by far the most difficult thing. Fighting (Kenneth) Starr and the impeachment was easy.