News Snapshot:
The new round of sanctions fulfills longtime vows by the Biden administration to punish any move by Russia to annex captured Ukrainian territory. But the United States has struggled to expand its coalition of nations aiding Ukraine, and several world powers, notably China and India, have maintained strategic partnerships with Russia and continue to enrich Moscow with energy purchases. That could change if Mr. Putin decides to make more explicit his threats to use nuclear weapons. Mr. Putin has said Russia will take any measures available to protect its territory, and some analysts have said he might apply that threat...