Weighing Factors Ahead Of Libya Strikes

It may be decades before we know what the discussions were inside the Oval Office that led to the decision to intervene in Libya. But Robert McFarlane, who was national security adviser during the Reagan administration, says the determination to use military force always involves several factors. Among them: U.S. interests, humanitarian concerns and capabilities. He says that while U.S. interests in Libya are low, humanitarian concerns are high.