What to look for in Tuesday's primaries in 6 states

There are 325 delegates at stake in primaries on Tuesday, with the biggest allocation in Michigan, which has 125 delegates. CBS News campaign reporter Adam Brewster reports from Ann Arbor, while CBS News political director Caitlin Conant and CBS News political reporter Nikole Killion join from Washington, D.C., and CBS News political reporter Caitlin Huey-Burns joins from New York.