we turn now to michael kosta, everybody! eers and applause ) michael, you've got to help me understand, man. >> sure. >> trevor: john kelly's taken to the civil war. i don't get it. >> would be happy to help, trevor, but first i have to remind you it's dr. michael kosta. i have a ph.d. in history. >> trevor: we have been over this. you don't have a ph.d. >> well maybe not in your version of history. my degree is in revisionist history, and in our field the civil war was nothing but a failure to compromise. john kelly is 6,000% correct. >> trevor: why 6,000%? >> because that's as high as percentages go. i don't have all day to teach you things, trevor, okay? american history is full of equally valid sides failing to reach a compromise. it's the way our culture works. you don't understand that. you want to know why? because you're an outsider, trevor. take the civil war. one side wants slaves, the other side doesn't. both equally valid arguments and yet they couldn't find a compromise. >> trevor: wait, wait, wait. how can you p