South Korea's defense chief said Monday his military will launch its own anti-proliferation exercise and resume psychological warfare against North Korea, as parts of its initial military measures to punish Pyongyang for a deadly torpedo attack on a South Korean warship in March. The planned military exercise scheduled to take place in the second half of the year to deter proliferation of North Korean weapons of mass destruction will be the first of its kind by the South's military. Defense Minister Kim Tae-young also said the South would actively participate in a U.S.-led anti-proliferation drill, known as the Proliferation of...