The communist country has some of the toughest drug laws in the world, and is notoriously secretive about its executions.South Korean ex-police officer Kim Soon-sik, 63, and compatriot Kang Seon-hok, 30, were sentenced to death following a four-day trial in Ho Chin Minh City, state media said late Saturday.Chinese citizen Li Tian Guan, 58, and alleged Vietnamese ringleader Le Ho Vu, 36, were also