Saudi Crown Prince Mohammad Bin Salman and Russian President Vladimir Putin meet in St. Petersburg, June 2015
Grigory Dukor / Reuters

As Russian troop maneuvers on Ukraine’s borders suggest an imminent invasion, U.S. President Joe Biden is doing his best to rally the international community in opposition. His administration has done a creditable job of lining up European countries; after some foot-dragging, Germany is now clearly committed to a unified approach. On the other side of the globe, Australia, Japan, and South Korea are also on board. Russian President Vladimir Putin demonstrated at the opening of the Olympics in Beijing that he has China on his side—at least when it comes to opposing NATO expansion. And Brazil and

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