Overview: 2011/09/23 Headlines: Saleh Returns to Yemen amid Increased Violence; U.S. Accuses Pakistan Spy Agency of Hand in Embassy Attack; Palestinians Bring Statehood Bid to the United Nations; U.S. Leads Walkout on Ahmadinejad Speech at United Nations; GOP Candidates Debate in Orlando; Audience Boos Gay Soldier; Spending Dispute Threatens U.S. Government Shutdown; Study: Nearly 1 in 4 Children Under 6 Live in Poverty in the United States; California Police Officers Charged in Beating Death of Homeless Man; Tacoma Teachers Vote to End 10-Day Strike; Drug Violence Spreads to New Areas of Mexico; "Stingray" Cell Phone Tracking Faces Court Challenge; Over 1,000 Protest Troy Davis Execution in NYC