Russian President Vladimir Putin’s threat to invade Ukraine poses one of the biggest dangers to regional security since the Berlin Wall fell.
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Bloomberg: Putin threat to Ukraine seen leaving west with few good options
People look at pro-Russian armed men blocking access to the Ukrainian frontier guard base in Balaklava, a small city not far from Sevastopol, on March 1, 2014. Ukraine's border guard service said on Saturday that about 300 armed men were attempting to seize its main headquarters in the Crimean port city of Sevastopol under orders from Russian Defence Minister Sergei Shoigu.
