Overview: 2011/09/22 Headlines: Troy Davis Executed After Supreme Court Rejects Stay; Freed U.S. Hikers Leave Iran; Senate Appropriations Committee Threatens Palestinians over Statehood Bid; Obama Slams Palestinian Statehood Effort in U.N. Speech; Poll: Most Israelis, Palestinians Back Statehood Bid; NATO Extends Libya Bombing Campaign; Stock Prices Fall as Fed Warns on U.S. Economy; Wiretap Law Challenge Allowed to Proceed; Islamic Cultural Center Opens Near Ground Zero; Kaiser Permanente Medical Workers Stage Strike