Nadal Hasan, who is on death row, wrote a letter to ISIS leader Abu Bakr al-Baghdadi.
In a new Web video, Brown slams Obama's "incoherent" foreign policy.
While recent cases center on Americans held captive, there are key differences.
House Republicans are calling on President Obama to make a definitive statement.
She is urging GOP leaders to hold a floor debate on the use of force.
A judge says the Pentagon must prove releasing the photos endangers Americans abroad.
California congressman asks if the U.S. has any allies "on the ground" against ISIS in Syria.
The Pentagon criticized leaks to the media about American surveillance flights over Syria.
Obama's national security team will meet at the White House Situation Room.
Officials have warned of the threat posed by Western fighters.
The top Republican in the Senate says "the security of the nation comes first."
Sgt. Paula M. Walker was identified as the soldier who fatally shot herself, a lockdown.
Over two-dozen people and firms were sanctioned for aiding Iran's nuclear program.
Rep. Frank Wolf (R-Va.) urged fellow lawmakers to sign onto his bill that would allow the president...
Rep. Blake Farenthold (R-Texas) on Thursday condemned an internal Department of Veterans Affairs...
Sen. Jon Tester (D-Mont.) demanded that National Security Director James Clapper ensure contractors...
Sen. Jeanne Shaheen said the U.S. should block donations to the group.
Five members of the Texas House delegation urged Army officials to spare force reductions at...
McCain said other presidents had seen "reality" and changed their policies.
TV and online buys hit GOP nominee Dan Sullivan on mine project they say cost fishing jobs.
The South Carolina senator wants to know if President Obama agrees.
He's backing two Dem House challengers; does it mean retired general is planning own run?
President Obama notified Congress on August 8th that he had authorized the U.S. armed forces to...
The Pentagon is considering an operation to help Shiite Turkmen who are battling ISIS.