President Trump’s surprise decision to suspend sanctions on Russian diesel fuel stunned Ukrainian and European officials, who were meeting with U.S. envoys at an exclusive golf club near Miami.

© Valentyn Ogirenko/Reuters

With the Russians intensifying sabotage, arson and cyberattacks against European nations supporting Ukraine, NATO divulged a blueprint, in case of war, to deter the Kremlin.

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Moscow has used tactics of fear and ambiguity to try to divide NATO and limit support for Ukraine. But how should Europe retaliate? And how hard?

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