2011/07/21 Headlines: U.N. Issues Urgent Appeal for Somalia Famine; Aid Groups: Rich Nations Failed to Avert Somalia Crisis; U.N.: Less Than Half of Africa Appeals Met; Sanders Blasts Entitlement Cuts, Tax Cuts in Deficit Talks; Murdoch Returns to U.S., Cameron Refuses to Apologize for Coulson Hiring; Texas Executes Death Row Prisoner over Victim's Objection; Georgia Delays Death Row Execution; Media Ban Imposed as California Prison Hunger Strike Enters 4th Week; Obama Admin Backs Repeal of DOMA; House Measure Would Restore Global Gag Rule; Montana Judge Blocks Movement of Oil Equipment; NLRB Judge: <span class="caps">SEIU, Kaiser Colluded to Influence Union Vote; U.S. Heat Wave Kills 22, Engulfs East; China, Russia Stall Security Council Session on Climate Change; Ortega Proposes Nicaraguan Referendum on $17B World Court Judgment from U.S.; Serbia Arrests Last Major War Crimes Fugitive; Judge Allows Closure of Vermont Yankee Nuclear Plant