Leftists have long held no qualms about assassination against their rivals, and in Colombia, where narcoterrorism is also a problem and left-narco alliances are common, it has started up again.. But at least we have a secretary of state who is wise to what's going on. This week, Secretary of State Marco Rubio sent a high-level delegation to Bogota after a leading Colombian presidential candidate, conservative Sen. Miguel Uribe, died of his wounds in a June shooting by a criminal known as a 'sicario' or hitman who obviously had a sponsor. Rubio seems to know who that might be, though,...