President Trump's former personal lawyer Michael Cohen was on Capitol Hill today in a closed setting for the first of three hearings before Congress. Tomorrow, it's public. And Trump may physically be in Vietnam for his second summit with North Korean Dictator Kim Jong Un, but will his mind be focused on what Cohen reveals about his past? We're joined by Maya Wiley, Robert Costa, Emily Jane Fox, Jeremy Bash, Andrea Mitchell, Carol Lee, Peter Baker, and A.B. Stoddard to discuss this and more.