Colombia cool to rebel-announced cease-fire

Ivan Marquez, right, and Ricardo Tellez, members of the negotiation team for Colombia's Revolutionary Armed Forces of Colombia, or FARC, wave as they arrive for peace talks in Havana, Cuba, Monday, Nov. 19, 2012. Marquez, the top FARC negotiator, announced a unilateral cease-fire on Monday, before heading into much-anticipated peace talks with his government counterparts. (AP Photo/Ramon Espinosa)Colombia's main rebel group announced a unilateral cease-fire on Monday as it began much-anticipated peace talks, but the Bogota government responded that it would continue military operations.