Jason Fraley interviews Jay Leno, who joins Arsenio Hall at the Hollywood Casino at Charles Town Races in West Virginia on March 28. They also discuss his journey to “The Tonight Show,” his rivalries with David Letterman and Conan O’Brien, and the state of late-night comedy today, including the recent controversies of Stephen Colbert and Jimmy Kimmel. (Theme Music: Scott Buckley’s “Clarion”)