"When you are not winning in warfare, you are losing," Sen. John McCain said.
"This larger battle for hearts and minds is going to be a generational struggle," he said.
Difficult decisions remain, State Department spokesman John Kirby said.
The ranking Democrat on the committee says someone is spreading false rumors.
The president is set to speak on the terror group later Monday.
House and Senate defense committee leaders are set to face off in closed door talks.
The group captured the ancient Syrian city in late May.
The strike of Tariq bin Tahar al-'Awni al-Harzi follows that of his brother.
Rep. Niki Tsongas (D-Mass.) calls for a "cultural shift" to support female troops.
Pentagon officials defended the program despite low turnout.
"This is more than just the usual Fourth of July ... warning," Rep. Pete King said.
A retired Army colonel announced Wednesday that he would seek the Democratic nomination to take on...
He indicated he would veto the final defense bill from Republicans.
Sen. Tim Kaine (D-Va.) called Iraq's central government a "work in progress."
Police found no evidence of a shooting after reports of gunfire.
The Navy is the first armed service to provide more than the current six weeks of leave.
What would be the legal basis for it?
The Arkansas senator repeats his calls for Obama to abandon the talks.
The committee created to investigate the 2012 attacks in Libya will take up key questions in July.
Trey Gowdy says Obama "could pick up the phone today" and end the probe.
Negotiators are working under a July 7 deadline.
The holiday coincides with a call from ISIS for supporters to ramp up attacks.
They are pressuring Obama to take a firm stand in the final negotiations.
The correspondence, released online, covers March through December 2009.