Overview: 2013/02/06 Headlines: Report: U.S. Has Secret Drone Base in Saudi Arabia; Opposition Leader Shot Dead in Tunisia; Solomon Islands Hit by Deadly Tsunami After Earthquake; Bulgaria Implicates Hezbollah in Bus Attack That Killed Israeli Tourists; Obama Plans to Make 1st Visit to Israel as President; British Lawmakers Vote in Favor of Same-Sex Marriage; Hopes for Peace Talks Falter in Syria; Colorado Lawmakers Seek to Hold Makers of Assault-Style Guns Liable; FBI Data Shows U.S. Gun Sales Continue to Soar; Judge Denies Request to Delay George Zimmerman's Trial in Trayvon Martin Case; Sandy Victims Denounce Conditions in Temporary Housing; Indigenous People Travel from Ecuador to Texas to Protest Sale of Amazon Land for Oil; U.S.