A Drug Enforcement Administration agent was killed in  Colombia, the American ambassador, P. Michael McKinley, said Friday. Colombian authorities said the American agent, James Watson, 43, was stabbed four times. Mr. Watson left a meeting with friends at a Bogotá restaurant and got into a taxi. http://www.nytimes.com/2013/06/22/world/americas/dea-agent-in-colombia-is-killed-in-possible-attempt-at-robbery.html?ref=world Col. Camilo Cabana of the National Police said that the taxi Mr. Watson was riding in was intercepted by another taxi near the restaurant. Two men got out and tried to pull Mr. Watson out of the vehicle, stabbing him three times in the chest and once in the leg, Colonel Cabana said. Mr. Watson was taken to a clinic several blocks away, but was pronounced dead on arrival. The D.E.A. said Mr. Watson was on a temporary assignment in Bogotá.