New documentaries about Loretta Lynn and The Highwaymen are coming to PBS. They’ll air as part of the 30th anniversary of the “American Masters” documentary series. “Loretta Lynn: Still a Mountain Girl” will debut on March 4th, the same day her new album “Full Circle” comes out. The TV special will explore her road to stardom, and will show how she tries to balance her home life and career. “The Highwaymen: Friends Til the End” will premiere on May 27th. It’ll showcase Johnny Cash, Waylon Jennings, Willie Nelson and Kris Kristofferson with footage of old performances and new interviews.