A rare appearance by Sanam Bhutto, former Pakistani Prime Minister Benazir Bhutto’s sister and only living sibling, will open the Washington, D.C., premiere of ITVS’s biographical doc “Bhutto” Tuesday (June 29). Also speaking will be Husain Haqqani, Pakistan’s Ambassador to the United States; and CPB’s CEO Pat Harrison. PBS NewsHour‘s Judy Woodruff will lead a post-screening discusssion and audience Q&A with the film’s director Duane Baughman and producer Mark Siegel. “Bhutto” has its national broadcast premiere in March 2011 on PBS’s Independent Lens in honor of Women’s History Month.