Show of the week: Frontline: The Man Behind the Mosque

In 2010, proposed construction of an Islamic community center near the site of the World Trade Center—the so-called Ground Zero Mosque—became a flash point for controversy. Frontline profiles Brooklyn-born real estate developer Sharif El-Gamal, who has battled to keep the project going despite hostility from anti-Islam activists and family members of 9/11 victims. A second report spotlights former FBI agent Ali Soufan, a key player in the war on terrorism and one of only eight agents in the 2001 bureau who spoke Arabic. Tuesday, Sept. 13, at 9 p.m., PBS; check local listings