President Obama addresses the nation from Cross Hall in the White House on Wednesday. Opening a new military front in the Middle East, Obama authorized U.S. airstrikes inside Syria for the first time, along with expanded strikes in Iraq as part of a broad mission to root out violent Islamic State militants. Saul Loeb/AP hide caption

itoggle caption Saul Loeb/AP

Members of the Senate and the House of Representatives return to work at the Capitol this week after a five-week vacation. They must get to work on a continuing resolution to extend funding for government agencies to prevent a government shutdown. J. Scott Applewhite/AP hide caption

itoggle caption J. Scott Applewhite/AP