In Washington and Brussels, there are warnings of crushing sanctions if Russian President Vladimir Putin orders an invasion. The Russian president views Ukraine not as a separate nation but as a land that was negotiated away after the collapse of the Soviet Union. U.S. President Joe Biden and Russian President Vladimir Putin greet one another during a summit in Geneva, Switzerland, in June. | SERGEY PONOMAREV / THE NEW YORK TIMESMore complex is negotiating the reverse problem: How the United States and NATO operate in Ukraine. So far, none has been triggered — and as a deterrent the United States has planted code in the Russian grid as well.

Source: New York Times January 25, 2022 09:01 UTC