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 NY Times: In Biden’s Unannounced Visit to Kyiv, a Preview of an Increasingly Direct Contest With Putin - The vastly different world views of President Biden and President Vladimir V. Putin of Russia will become vividly apparent in a rare split-screen moment on Tuesday.

The war in Ukraine is about power and the principle of territorial sovereignty, and whether the Western-designed global order that Americans thought would prevail for decades will, in fact, survive new challenges from Moscow and Beijing.