Pro-Russian rebels in eastern Ukraine elected a self-proclaimed president on Sunday, and Moscow welcomed the news. While the rest of the world condemned the vote and Russia hasn't formally recognized two breakaway republics, that may only be a matter of time.
The US and Russia have cooperated for two decades to secure Russia's nuclear stockpile, a program that was a rare bright spot in the relationship between the two powers. But while the dangers haven't decreased, Russia may be ready to end American aid because of the situation in Ukraine.
The ceasefire for Ukraine agreed to last week appears to be meaningless, at least in the pocket around a place called Debaltseve. Some of the heaviest fighting of the war is taking place, with perhaps 8000 Ukrainian government troops reportedly surrounded and under assault.
Fifty miles. That's about the distance separating the United States and Russia. And it's the answer to today's Geo Quiz. The World's David Leveille takes a look at an old proposal to link Siberia and mainland Alaska by tunnel.