Writer and director Larry Charles has been an influential voice in American comedy for decades. From his groundbreaking work on TV series such as “Seinfeld” and “Curb Your Enthusiasm” to films like “Borat” and “The Dictator,” you likely have laughed at his work over the years.But his lifelong dedication to laughter comes with a life-and-death seriousness, which he explores in his new memoir "Comedy Samurai: 40 Years of Blood, Guts, and Laughter."Charles will be a featured author at the KPBS San Diego Book Festival on Saturday, Aug. 23.Guest:Larry Charles — writer, director and author of "Comedy Samurai: 40 Years of Blood, Guts, and Laughter"