Overview: 2013/03/06 Headlines: Venezuela Declares Week of Mourning for Hugo Chávez; Senate Panel Advances Brennan Nomination for CIA; Rand Paul: Obama Admin Response on Drones "More Than Frightening"; U.N. Rapporteur Demands Senate Findings on Bush-Era Torture; U.N.: Syrian Refugees Surpass 1 Million; Kerry: U.S. Involved in Talks on Arming Rebels; U.S. Tables New North Korea Sanctions at U.N.