Developments in Ukraine - Sept. 1, 2014
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Ukrainian President Petro Poroshenko watches cadets as they march during Knowledge Day celebrations in Kyiv, Sept. 1, 2014.
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Ukrainian servicemen ride in an armored vehicle in Kramatorsk, Sept. 1, 2014.
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Pro-Russian rebel leaders from Eastern Ukraine Andrei Purgin, left, and Alexey Karyakin walk in Minsk, Belarus, Sept. 1, 2014.
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Russia and Ukraine will be the top story this week when NATO heads of state attend the NATO summit in Wales, starting Wednesday. NATO Secretary General Anders Fogh Rasmussen addresses the media ahead of the NATO summit in Wales, at the Residence Palace in