MARIPI, Colombia - Colombian troops raided a sprawling clandestine drug laboratory run by a paramilitary group that was capable of producing 10 tons of cocaine a month, officials said Tuesday. "This is the biggest cocaine processing factory we've found this year, it contained a large quantity of chemicals used to process the drugs," Gen. Gustavo Matamoros, commander of the army's 5th Division, told The Associated Press. In a separate operation, the military announced Tuesday that it had seized six tons of marijuana allegedly belonging to the Revolutionary Armed Forces of Colombia, or FARC, the country's main leftist rebel group. The...