The barbs turned personal during Tuesday's primary battle in Indiana. Trump claimed another victory, and Cruz suspended his campaign. What will these results mean for the big picture?

James Warren on "Chicago Tonight"

Presidential candidates are competing for a win in Tuesday's primary in Wisconsin. James Warren of the Poynter Institute joins us to talk delegate math and what that means for the contenders on both the Democrat and Republican side.

Donald Trump is the winner in Illinois, gaining 24 delegates in the state's Republican presidential primary. On the Democratic side, Hillary Clinton eked out a close victory over Bernie Sanders.