Eric Dietrich: With a final vote Friday, Montana’s Districting and Apportionment Commission made it official: The state has a new congressional map, political lines drawn to define how Montanans are represented in the U. S.

It’s called Now & Then, and here’s the synopsis from the show’s website: How can the past help inform today’s most pressing challenges? Every Tuesday, award-winning historians Heather Cox Richardson and Joanne Freeman use their encyclopedic knowledge of US history to bring the past to life.