The Arab World Reacts to Gadhafi's Fall Share Share this on Facebook (Opens in a new window) Share this on Twitter (Opens in a new window) Share this via Email Tens of thousands of Libyans celebrate the arrest of Col. Moammar Gadhafi's son Saif al-islam on August 21, 2011 in Benghazi, Libya. ( GIANLUIGI GUERCIA/AFP/Getty Images / Getty ) Produced by PRI and WNYC