Paul Rudd On His “SNL” Gum-Swapping Gag and Meeting Paul McCartney

Paul Rudd chats at the “How Do You Know” premiere about hosting “SNL.” What did he think about doing the gum-swapping gag? Plus, what did Paul think about meeting Paul McCartney? Also, Reese Witherspoon and Owen Wilson weigh in on Paul’s “SNL” gig.