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WASHINGTON, DC - SEPTEMBER 2: In this handout provided by the White House, U.S. President Barack Obama (2R) meets with Senators John McCain and Lindsey Graham (R), and National Security Advisor Susan E. Rice (L) to discuss strategy in Syria in the Oval Office of the White House September 2, 2013 in Washington, DC. Obama stated that he will seek Congressional authorization for the U.S. to take military action following the alleged Sarin nerve gas used in an attack on Syrian civilians. (Photo by Pete Souza/White House via Getty Images)
WASHINGTON, DC - SEPTEMBER 2: In this handout provided by the White House, U.S. President Barack Obama (2R) meets with Senators John McCain and Lindsey Graham (R), and National Security Advisor Susan E. Rice (L) to discuss strategy in Syria in the Oval Office of the White House September 2, 2013 in Washington, DC. Obama stated that he will seek Congressional authorization for the U.S. to take military action following the alleged Sarin nerve gas used in an attack on Syrian civilians. (Photo by Pete Souza/White House via Getty Images)

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Can Obama win over Congress on Syria?

The White House tries to win over lawmakers on a possible military strike in Syria. CNN's Brianna Keilar reports.

Can Obama win over Congress on Syria?

The White House tries to win over lawmakers on a possible military strike in Syria. CNN's Brianna Keilar reports.