It has been a long time since the threat of using nuclear weapons has been brandished so openly by a world leader, but Vladimir Putin has just done it.
The Kremlin said rebels in eastern Ukraine asked Russia for military assistance Wednesday to help fend off Ukrainian “aggression,” an announcement that immediately fueled fears that Moscow was offering up a pretext for war.
US, Japanese and South Korean Secretary of States met in Hawaii to discuss the threat posed by nuclear-armed N Korea after they began the year with a series of missile tests.