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President Donald Trump pose with NATO heads of state and government at the Hague on June 25, 2025. (Getty Images)
Europe
Europe
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Ukrainian President Pyotr Poroshenko, Belarus President Alexander Lukashenko, Russian President Vladimir Putin during peace talks over Eastern Ukraine on February 11, 2015 in Minsk, Belarus. (Dmitry Azarov/Kommersant Photo via Getty Images)
Commentary
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Ukrainian military pilot Nadiya Savchenko (L) joins Ukrainian president Petro Poroshenko at the Presidential Administration building following Savchenko's return to Ukraine on May 25, 2016 in Kiev, Ukraine. (Brendan Hoffman/Getty Images)
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People hold the Polish constitution as they attend the anti-government demonstration against the refusal of polish government to accept verdict of Constitutional Court in Warsaw, March 10, 2016. (WOJTEK RADWANSKI/AFP/Getty Images)
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Sinking hit British battlecruiser 'Indefatigable' shortly before its explosion on May 31st, 1916 - tempera painting by Willy St?wer 1916. (Willy St?wer/ullstein bild via Getty Images)
Commentary
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Military Parade on the Red Square in Moscow, Russia, May 9, 2016. (The Presidential Press and Information Office/www.kremlin.ru)
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Turkeys Prime Minister Recep Tayyip Erdogan during a rally for the 10th anniversary of the Union of European Turkish Democrats (UETD) at Albert-Schultz-Hall in Vienna, Austria on June 19, 2014. (Kayhan Ozer/Anadolu Agency/Getty Images)
Experts
Matthew Boyse
Senior Fellow, Center on Europe and Eurasia
Luke Coffey
Senior Fellow, Center on Europe and Eurasia
Tsiporah Fried
Visiting Senior Fellow
Can Kasapoğlu
Senior Fellow (Nonresident)
