President Barack Obama has returned to the U.S. and will now focus on a full-court press for support for a military strike on Syria.
The president will spend the next few days reaching out to members of Congress, who he has asked to approve a strike in retaliation for the apparent use of chemical weapons by the Syrian regime.
A key vote is expected in the Senate Wednesday.
The president didn't find much support from other world leaders at the G20 summit in Russia this week, and members of Congress have also been lukewarm on the idea of strikes.
In his weekly address, Obama reiterated his case for limited and targeted military action to hold Bashar Assad's regime accountable.
"I know that the American people are weary after a decade of war, even as the war in Iraq has ended and the war in Afghanistan is winding down. That's why we're not putting our troops in the middle of somebody else's war," Obama said. "But we are the United States of America. We cannot turn a blind eye to images like the ones we've seen out of Syria."
The president's lobbying will culminate Tuesday evening with an address to the nation from the White House.
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While the president seeks approval from congress for strikes in Syria, Secretary of State John Kerry is on the road to drum up more support internationally.
Kerry is in Lithuania Saturday, where he met with ministers from the European Union.
Following the secretary's visit, the EU released a statement agreeing that the Assad regime appears to be behind the chemical attacks, but they say they will await an official report from United Nations inspectors before proceeding with any response.
Kerry will also visit London this weekend, where he will meet with Palestinian Authority President Mahmoud Abbas.