Overview: 2011/02/23 Headlines: Gaddafi Issues Defiant Address; Death Toll Remains Unknown; U.N. Security Council Calls on Libya to End Violence; 2 Killed in Yemen Protests; Tens of Thousands Rally in Bahrain; U.S. Ignored Human Rights Abuses in Bahrain; Report: Admin Reviews Weapons Sales, Military Aid; Thousands Protest Anti-Union Bill in Ohio; Indiana Dems Flee State; Hundreds Protest Teacher Layoffs in Idaho; Georgia Measure Calls for Investigating Miscarriages; Pirates Kill 4 U.S. Hostages Near Somalia; Citizen's Arrest Attempted on Israeli FM in Belgium; Emanuel Elected Chicago Mayor; FBI Sued for Spying on California Mosque