What a crucial battleground district in rust-belt Wisconsin tells us about the midterm elections
Wisconsinites swung from Obama to Trump in 2016. Now, Democrats hope a so-called "blue wave" will lift its candidate, iron worker Randy Bryce, to victory on Tuesday. But the state is bitterly divided between the very conservative and the very liberal. Ira Basen explores a local race with national implications in his documentary "First Wisconsin".