The shake-up comes after one executive announced his support for the deal.
Sen. Charles Grassley wants to know why Cuba is not taking back convicted nationals.
“I’m not for a side deal that I can’t look at,” the White House hopeful says.
The senators pointed to a recent uptick in threats against troops.
Obama defended his deal, even as he conceded Iran's breakout time would shrink.
A verdict for Jason Rezaian may be handed down in a week.
With lawmakers focused on Iran and 2016 looming, its unclear when Congress will act.
The program is speeding up after a shaky start, the Pentagon said.
Tyler Drumheller served in the CIA for 26 years and was a critic of the Iraq War.
"The discussion about the day after is not very pretty," said Energy Secretary Moniz.
"What I said is absolutely true, factually," Obama told CNN.
The misinformation campaign is an obstruction to uncovering facts and a disservice to the US.
“I am confident we’re gonna get to 60,” said McCain.
“I believe we should go back and try to get a better deal,” Schumer said.
More than 23,000 liberals have promised to withhold money over Schumer's opposition to the Iran...
“It’s very close to completion,” said Pentagon spokesman Navy Capt. Jeff Davis.
The move would make the program available to all veterans currently receiving VA care.
Schatz is the 17th Democratic senator to publicly back the Iran deal.
The administration is seeking to defend Syrian rebels from ISIS and the Assad regime.
The State Department lifted a ban earlier this year.
Rep. Brad Sherman (Calif.) said the deal "gets ugly" in later years.
Middle-class military families plan to spend less amid anxiety over budget cuts.
One group said the would-be Senate Democratic leader's nickname should be "Warmonger Chuck."
The group said it is launching a "donor strike" to protest Schumer's opposition to the deal.