text:  and let the chips where they may fall, as opposed to trying to do too much, which has backfired in the past. The Lee Hess Director of Debate at the University of Michigan, Aaron Call. Aaron, thank you so much. Always great talking to you. Anytime, Alex. We're now moments away from the beginning of the CNN Presidential Debate simulcast. Before we get there, back to ABC's Karen Travers, and President Biden's motorcade arrived a few moments ago, Karen.