Little progress reining in North Korea, U.S. commander says before Trump-Xi summit

By Tim Kelly and Ju-min ParkTOKYO/SEOUL (Reuters) - Diplomatic and economic measures taken to rein in North Korea's missile program have not had the desired effect, a senior U.S. military commander said on Thursday after the North's latest test triggered a flurry of calls among world leaders.U.S President Donald Trump led calls with leaders and senior officials from Japan and South Korea on Thursday to discuss the latest provocation from Pyongyang, hours before Trump begins a much-anticipated su