Biden and Putin to speak this week

President Biden and Russian President Vladimir Putin will hold a video call on Tuesday, a meeting that comes as U.S. intelligence is warning of a possible Russian invasion of Ukraine as soon as January.

Tens of thousands of Russian troops have amassed at the Ukraine border — months after thousands of troops assembled at the border in the spring. But unlike last spring's buildup, which was regarded as a show of force, U.S. intelligence officials are warning that this one could be in preparation for an actual incursion into the Donbass region of...