the unthinkable and how we can stop it" and also with us cnn political commentator david axelrod. thank you so much for coming on to talk about this. listen, davidson's tweet is still up. he's followed that disgusting comparison with this, let's recall that the nazis dehumanized jewish people before segregating them, imprisoned them before enslaving them and enslaved them before massacring them. give me your reaction. >> well, look, it's clear that the congressman doesn't have a ph.d. in history, let alone common sense. you know, the genocide of 6 million jews, the slaughter of millions of others across europe was the result of a genocidal madman who committed the systematic extermination of people that here to forhad not even been imagined. to compare masking mandates and showing a vaccination card to