Colombia has officially announced the death of Manuel "Sureshot" Marulanda, the commander of Latin America's largest armed group, the Revolutionary Armed Forces of Colombia (Farc). David Moreno, an admiral in the Colombian navy, confirmed in Bogota on Saturday previous statements by senior officials suggesting that Marulanda was no longer alive. Juan Manuel Santos, Colombia's defence minister, had told Semana magazine that Marulanda, Farc's leader for four decades and believed to be about 80 years old, may have died on March 26, citing "a source who has never failed us". He said quoting "guerrillas" that Marulanda died of a heart attack,...