The content originally appeared on: CNN (CNN)After months of military buildup and brinkmanship on Ukraine's border, Russia is ratcheting up pressure on its ex-Soviet neighbor, threatening to destabilize Europe and draw in the United States. Russia has been tightening its military grip around Ukraine since last year, amassing tens of thousands of troops, equipment and artillery on the country's doorstep. The aggression has sparked warnings from US intelligence officials that a Russian invasion could be imminent. In recent weeks, whirlwind […]
