U.S. Official says Iran believed to have shot down Ukrainian plane; CNN obtains video that appears to show missile strike; Key Trump ally says he will vote for war power limits

U.S. Official says Iran believed to have shot down Ukrainian plane; CNN obtains video that appears to show missile strike; Trump: Iran was "Looking to blow up our embassy"; Pence: Iranian Missiles "Were intended to kill Americans"; Source: Pelosi privately signaling she's planning to move on impeachment articles soon; Trump reverses course, says climate change not a hoax as his admin rolls back environmental and climate rules; Republicans coordination with White House on Impeachment; Awaiting house vote on limiting Trump's Military action against Iran without congressional approval;

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