Sen. Tim Kaine, D-Va., right, accompanied by Rep. Adam Schiff, D-Calif., gestures during a news conference on Capitol Hill in Washington, Wednesday, Feb. 11, 2015, to reflect on President Barack Obama's request to Congress to authorize military force against Islamic State fighters, asking lawmakers to "show the world we are united in our resolve" to defeat militants who have overrun parts of the Middle East and threaten attacks on the U.S. (AP Photo/J. Scott Applewhite)
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