Overview: 2010/04/26 Headlines: Rescue Effort Ends, Oil Leaking into Gulf; Arizona Governor Signs Immigrant Crackdown Bill; Graham Drops Support for Climate Bill; Thousands Hold Earth Day Rally in DC; Obama Honors Victims of W. Va. Mine Blast; Armed Man Arrested at NC Airport Shortly After Obama Departs; 72 Killed in Iraq Bombings; 3 Afghan Civilians Reportedly Killed in US Raid; NATO Leaders Hold Afghan War Talks; Clashes Follow Israeli Settler March in Palestinian Neighborhood; Israeli Troops Shoot Protesters in Gaza; 90,000 Japanese Protest US Base on Okinawa; Rallies Held Worldwide for Spanish Human Rights Judge; Dems to Hold Cloture Vote on Financial Reform Bill; Goldman Sachs Execs Bragged of Profiting from Housing Crash; 12 Killed in Southern Tornadoes; Jailed US Hikers in Poor Health in Iran