Alex and Matt break down the new level of derangement achieved by Trump at his Phoenix rally, which Matt attended. Is it time to publicly talk about possible Trump cognitive/mental health issues?

Then, Dr. Jennifer Mercieca, historian of American political rhetoric at Texas A&M, joins us to analyze Trump as a public speaker.

And finally, another round of Guess the Pundit!

Also, sneak peak at our upcoming interview with Chris Hayes, for subscribers.