The Intelligence chairman said estimates of 2,000 western passport holders are too low.
“They’re not the JV team anymore," the South Carolina Republican said.
Some lawmakers worry a visa program has created a major security weakness.
President Fuad Masum said he felt “deep pain" because of the U.S. journalist's beheading.
The German Chancellor will meet with President Petro Poroshenko.
"We and Bashar Al-Assad are not on the same page here in any way," a spokeswoman said.
Top administration officials have denounced the group in the strongest possible terms.
Sen. Bill Nelson (D-Fla.) called on the United States to give Ukraine more military aid.
"Our team in Luhansk reports heavy shelling overnight," the Red Cross said.
It is in our interests to lift our heads up from the immediate to consider the long run.
Rep. Mike Pompeo (R-Kan.) called on President Obama to stop downplaying the threat of ISIS.
The State Department warned officials should not participate in the popular campaign.
The New Hampshire Republican said a “containment strategy is not going to cut it.”
A timeline of remarks shows how the administration's rhetoric has changed.
Biden applauded Ukraine President Petro Poroshenko's "restraint."
The vice president said Iraq's ultimate survival rests on all factions coming together.
The leaders said Moscow violated Ukraine's sovereignty by sending a convoy without approval.
U.S. must reassure Iraq that “we’re in it for the long haul," said GOP Rep. Mac Thornberry.
Adviser Ben Rhodes warned of "additional costs" if Russia did not act.
NATO’s supreme allied commander condemned Russia's actions.
Sen. Chuck Grassley (R-Iowa) blasted the Obama administration for releasing illegal immigrants...
How is escalation in Ukraine to be avoided without any attempt at a political solution?
The Texas governor warned Islamic terrorists might have crossed the border into the U.S.
A government order identified Matthew Rosenberg as a spy with "secret relations."