In a stirring video address, Ukraine's leader calls on America and the world to do more to deter Russian aggression.
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The good, the bad, and the ugly of making Daylight Saving Time permanent.
Plus: Scenes from last night's closed-door fundraiser for embattled Wyoming Rep. Liz Cheney.
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Iran's increased aggression and Russia's attempt to use a revived deal to skirt new sanctions have stalled talks in Vienna.
'Overall, our expectation is that the drags really increase from here.'
The U.S. moves to ban Russian oil imports, but Europe is unlikely to follow suit.
Vladimir Putin's dream of restoring the former Soviet sphere of influence has been a long time in the making.
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