Japan asked the United States to thoroughly enforce discipline among military personnel in the country after a U.S. Marine in Okinawa Prefecture was arrested for allegedly driving under the influence of alcohol during curfew hours imposed following a murder case involving another Marine, the top spokesman said Monday.Chief Cabinet Secretary Minoru Kihara told a press conference that Tokyo urged Washington to take preventive measures following the "regrettable" incident on Saturday in the southern island prefecture, home to many U.S. military bases.On Saturday, Kalvin Montoya Cardona was arr…READ FULL ARTICLE