The program has faced criticism for fielding too few forces and building up at such a slow pace.
Republicans cite inspector general calls in reiterating demands.
Rep. Elijah Cummings says the State Department made no such request.
The Pentagon said Thursday that procedures at an Army lab were to blame.
The reported agreement comes after months of negotitiatons.
The House select panel is pressuring Kerry's chief of staff to appear.
Rubio said the deal "is not guaranteed beyond the term of the president."
"I believe you’ve been fleeced," Sen. Bob Corker said.
But the administration says it doesn't have the agreements between Iran and the IAEA.
The Defense secretary's visit comes as Iraq will try to retake Ramadi from ISIS.
The House committee has asked Jon Finer, John Kerry’s chief of staff, to appear.
The State Department pushed back on claims made by Sen. Tom Cotton and Rep. Mike Pompeo.
The four emails “were classified when they were sent and are classified now.”
The four service members killed during the rampage will receive the military’s highest honor.
Rejecting the deal sends the message that the U.S. has "535 secretaries of State," he said.
Johnson faces a tough re-election battle in 2016 against Russ Feingold.
Conservative legal activist Larry Klayman is suing to block the deal.
The Texan wants to name the street "Oswaldo Payá Way" after a Cuban dissident.
Reid's remarks come after Sen. Patty Murray (D-Wash.) pulled her bill from being voted on.
Rep. Adam Kinzinger (R-Ill.) called this month's maneuver a clear “act of aggression.”
The Islamic State "is not your parents' al Qaeda," FBI director James Comey says.
The letter comes after Susan Rice acknowledged the so-called “side” agreements.
Gen. Ray Odierno had recommended leaving as many as 35,000 troops in Iraq after 2011.
The move comes as Republican senators seek an investigation into Planned Parenthood.