Even though it was backed by both party leaders, the vote split politicians within their own ranks. The final tally on the narrow military measure was 273 to 156.
President Obama's remarks came as Congress votes to approve more military trainers in the region to aide the fight against the group that calls itself the Islamic State.
It's open season on the wealthy political donors. Democratic campaign ads tie Republican candidates to the Koch brothers, while GOP ads paint sinister images of George Soros and Tom Steyer.
In an interview with NPR, Mohammad Javad Zarif says the U.S. has been hesitant and contradictory in its approach to defeating the Islamist insurgency.
The possible vote to authorize the Obama administration's plan to arm and train moderate fighters comes as the president meets with military officials at U.S. Central Command.
The House of Representatives is scheduled to vote Wednesday on whether to train and arm Syrian rebels fighting against the self-described Islamic State militant group.
Democratic Sen. Tim Kaine is introducing legislation that would authorize use of military force against the Islamic State including language that strictly limits the deployment of U.S. ground forces.
Committees are looking at the National Highway Transportation Safety Administration after questions arose about how it handles recalls, including General Motors' recall over faulty ignition switches.
House lawmakers will give the Sept. 11 attacks in Libya two years ago a fresh look. Wednesday's hearing will be the first public one since Gowdy (R-S.C.) became chair of a special Benghazi committee.
The Obama administration's plan reportedly includes having the Department of Defense shift $500 million in funding to fight the Ebola epidemic
The chairman of the Joint Chiefs of Staff told a Senate panel he supports the president's plan to combat Islamic State militants but that if it proved necessary, he would recommend U.S. ground forces.
Some economists say this Thursday's vote on Scotland's independence could have wide-ranging economic impacts. They fear a breakaway from the U.K. could trigger another global financial upheaval.
But most Americans are far from clear as to what this "ISIL" monster is, other than a few shadowy, portentous figures on disturbing videotapes.
The U.S. military plans to establish a medical base in Liberia to help stop the Ebola epidemic. It will build 1,700 new treatment beds and train up to 500 health care workers every week.
Boggs changed the lobbying profession by recognizing how power in Washington was becoming more diffuse.
Clinton, who says she hasn't yet decided on a 2016 presidential run, was in Iowa Sunday for the first time since she lost the 2008 caucuses to Barack Obama. She attended Sen. Tom Harkin's steak fry.
The Clintons are back in Iowa at an event that is the place to see and be seen for ambitious Democrats. NPR's Arun Rath talks with national political correspondent Don Gonyea.
13 Democrats voted with Republicans this week on what could be the final "message" votes heading into the midterm elections.
A champion of abortion rights, the Texas gubernatorial candidate reveals she terminated two of her pregnancies — once because her life was endangered.
The president's proposal to degrade and destroy the Islamic State poses a challenge for members of his own party, who have traditionally provided the anti-war voices in Congress.