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A man walks past the remains of Russian military vehicles in Bucha, close to the capital Kyiv, Ukraine, Tuesday, March 1, 2022. Russia on Tuesday stepped up shelling of Kharkiv, Ukraine's second-largest city, pounding civilian targets there. Casualties mounted and reports emerged that more than 70 Ukrainian soldiers were killed after Russian artillery recently hit a military base in Okhtyrka, a city between Kharkiv and Kyiv, the capital. (AP Photo/Serhii Nuzhnenko)

U.S. Department of State

The Lessons of 1989: Freedom and Our Future