Paul Rudd has won over fans for nearly 25 years as the likable, seemingly regular guy in Hollywood. In this week’s “Sunday Sitdown,” Willie Geist gets together with the actor to talk about that nice guy reputation and his lengthy career, from his breakout role in “Clueless” to a string of Judd Apatow comedies to Marvel’s “Ant-Man,” and his new Netflix series “Living With Yourself” where we get a double dose of Paul Rudd.