Russia's failing Ukraine invasion is exposing Putin's many

Putin says Russia cannot be forced to give up its gains in Ukraine

What is Russia's Theory of Victory in Ukraine? - Modern War Institute

Has Putin's war failed and what does Russia want from Ukraine?

Putin's Preparations for Ukraine

Russia Invasion of Ukraine Highlights Ugly Truths About U.S. and NATO

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The humbling of Vladimir Putin

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Putin's five fatal mistakes in Ukraine, Russia-Ukraine war

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Why the first few days of war in Ukraine went badly for Russia - Vox