Democrats facing off in Minnesota's primary for open Senate seat

Minnesota Democratic Senate candidates join to discuss Tuesday's primary race. Plus, President Trump says he'll demand Iran pay for damages from his war of choice. Then, the Night Light takes you to the story of a man who knew that the best way to light a path forward begins with shedding light on where you've been. Minnesota Lt. Gov. Peggy Flanagan, Rep. Angie Craig, and David Rohde all join the 11th Hour with Ali Velshi.