Overview: 2011/08/23 Headlines: Defying Reports of Capture, Gaddafi’s Son Makes Appearance in Tripoli; Libyan Rebels Hold Capital City as Heavy Fighting Persists; Libya: U.S., NATO Forces Play Key Role in Rebel Push; U.N.: Death Toll in Syrian Crackdown Surpasses 2,200; South Sudan Cattle Raid Leaves Hundreds Dead; Suspected U.S. Drone Crashes in Somalia; Obama Admin Pressures NY Attorney General on Bank Settlement over Questionable Foreclosure Tactics; Goldman Sachs Share Prices Drop After CEO Hires High-Profile Defense Attorney; Swiss Banking Giant UBS AG Announces 3,500 Jobs Cut; Head of S&P Steps Down; Credit Rating Agency Whistleblower Speaks Out; Presidential Hopeful Rick Perry Shuns His Own Book, "Fed Up"; Texas Unemployment Rate Highest in Over Two Decades; Amnesty Condemns Iran’s Harsh Sentence of U.S. Hikers; Turkish Offensive Leaves 100 Dead in Iraq; Prosecutors Asks Judge to Dismiss Charges Against Former IMF Chief Dominique Strauss-Kahn; Mongolians Opposed to U.S. Nuclear Waste Dump Protest Biden Visit; Martin Luther King Memorial Unveiled in Washington; Dozens Arrested in San Francisco Transit System Protest; Canadian Opposition Leader Jack Layton Dies