William Kunstler's children save money while shooting PBS film about him

Emily and Sarah Kunstler found a way to save tens of thousands of dollars on their documentary: They picked their father as the subject.

But before you focus your camera on Dad to create a major work in honor of Father's Day, note that Emily and Sarah had a really compelling subject: the late civil rights lawyer William Kunstler. He was lionized for representing Martin Luther King Jr. and the Chicago Seven. He was later demonized for defending the likes of John Gotti and the mastermind of the 1993 World Trade Center bombing.