Robert Pattinson rocketed to fame in the movie “Twilight” and the four sequels that followed, earning an army of devoted fans and a constant pack of paparazzi prying into his personal life. In this week’s “Sunday Sitdown,” Willie Geist talks to the actor about being thrust into that spotlight, the awards season buzz around his new film “The Lighthouse,” and how he’s preparing to take on the iconic role of Batman.