The U.S. military can force its personnel to wear the blue beret of the United Nations and serve under the world body's command, a federal judge ruled. Judge Paul Friedman upheld the military's conviction of former Army specialist Michael New, who refused to don the U.N. cap and shoulder patch and to serve in a peacekeeping mission in Macedonia nearly 10 years ago, the New York Sun reported. New argued that the Constitution and the law governing U.S. participation in the world body prevent the president from sending American troops into possible combat under U.N. command without express authorization from...