Ukrainian riot police withdrew from Independence Square after overnight clashes, leaving jubilant protesters. US and EU diplomats were on the scene.
The quest for nuclear fusion power is well known, Daly writes, having been around since the dawn of the nuclear age, but the physics have precluded significant research. Until now.
Russia's Nord Stream pipeline bypasses Ukraine, which transports about 80 percent of Russian gas exports to Europe, and could give Moscow greater political leverage in dealing with Kiev.
Russia is dangling billion-dollar benefits if Ukraine joins a Moscow trade alliance, a move that would scuttle Kiev's chance at an EU free-trade deal.