Russia invades Crimea after Ukraine votes out Yanukovych

Russian forces have invaded the Ukrainian region of Crimea, sending planes, helicopters and a warship, provoking what some are calling the worst European crisis of the 21st century. If you haven't been following the story, here's a rundown. In November of last year, Ukrainian protesters took to the streets of Kiev, demanding the removal of then president Viktor Yanukovych. The democratically-e ...