President Trump asked Putin to hold off attacks on energy infrastructure in Ukraine, which has been gripped by bitter cold. Putin showed his contempt by launching a massive overnight attack.

U.S. Coast Guard officials say they have launched a formal investigation into the sinking of a commercial fishing vessel off Gloucester, Massachusetts, that resulted in seven deaths.

China took an extraordinary diplomatic step last February by unveiling a comprehensive strategic agreement with the Cook Islands. Avarua’s decision was surprising in itself, but more striking was the ...