2011/03/23 Headlines: Gaddafi Forces Attack Rebels Amidst U.S.-Led Strikes; Obama: U.S. to Scale Back Libya Role; Libyan Forces Release 3 Journalists; Japan Warns Residents over Radiation Levels in Food, Water; Saleh Warns of "Civil War" as Opposition Calls for Immediate Departure; U.S. Continues Muted Criticism of Yemeni Crackdown; Syrian Forces Killed 6 Protesters; Israel Warns of Gaza Assault, Kills 4 Palestinian Civilians; Obama Ends Latin America Tour, Visits Tomb of Slain Archbishop Romero; Federal Judge Rules Against Google Library Deal; South Dakota Enacts 72-Hour Wait for Abortions; Detroit Population Hits Lowest Point in 100 Years