The former White House press secretary went toe to toe with the Republican senator after President Obama's address to the nation about the Islamic State.
President Obama, the first lady and vice president gathered for a moment of silence at the White House. Other ceremonies are scheduled at the Pentagon, in New York and in Shanksville, Pa.
The Falls Church, Va.-based private contractor conducts most of the government's background checks and was the target of a cyberattack last month that breached thousands of personnel files.
The president has spent most of his tenure scaling back the U.S. military role in the Middle East. Now he appears poised to broaden an operation that will bring with it substantial risks.
New York Times' Charlie Savage visited the prison last month. He tells Fresh Air that it is decaying and exorbitantly expensive, but still holds 149 detainees who can't be sent anywhere else.
The Pentagon has been transferring mine-resistant, ambush-protected vehicles to local police. Built to protect U.S. forces from roadside bomb blasts at war, these huge vehicles aren't always welcome.
"I'm not predicting that it's entirely impossible that we would at any point act collaboratively with Iran," the chairman of the Joint Chiefs of Staff tells NPR.
In a new video released by the militant group Islamic State, American journalist Steven Sotloff appears to be killed by extremists associated with the group.