Andy Borowitz fills in for Leonard for one more day. On the show: Benazir Bhutto’s niece Fatima Bhutto talks about the long line of tragedies in her family, and her family’s political dynasty. Then Christopher Brownfield tells us what it’s like to serve in the post-9/11 military, both on nuclear submarines and in Iraq. William Gibson talks about his new novel, Zero History. Plus, grab your skates, because Please Explain is all about roller derby!