When you hear the name John Lithgow, you may call to mind a number of different movies, TV series or plays, including “The Changing Room,” “Terms of Endearment,” and “Third Rock from the Sun.” In this week’s “Sunday Sitdown,” Willie Geist talks to the Emmy and Tony award-winning actor about that prolific career on both stage and screen, and his latest transformation into former “Fox News” chief Roger Ailes for the highly-anticipated new movie “Bombshell.”