McCaskill said it would be "more dangerous" to reject the agreement.
"The same people that rushed us into war in Iraq want to sink the new agreement," it says.
Coordinating these conflicting interests is the American dilemma.
The Massachusetts Democrat said Iran getting a nuclear weapon is a "serious threat ... to all of...
“The Obama administration has a lot of explaining to do," the Speaker said.
But the senator says the U.S. hasn't done enough to counter Iran's support of terrorism.
“I'm not certain if he has a national security group of people," said Col. Jack Jacobs.
Twelve House Democrats now oppose the Iran deal.
An organization opposed to the deal is using Snapchat to target Sen. Ben Cardin (D-Md.).
Menendez became the second Democratic senator to oppose the deal.
Sen. Bob Menendez is the second Senate Democrat to come out against the deal.
“This agreement is the best option to halt Iran’s nuclear weapon program," said Sen. Mazie Hirono.
The company also screened Washington Navy Yard shooter Aaron Alexis.
No casualties have been reported.
To reach 60 votes, Republicans need four more Senate Dems to oppose the deal.
The grant will go toward habitat preservation in Nevada.
Sen. Cornyn's comments follow new revelations about alleged secret side deals.
A new report confirms lawmakers' fears about the contested secret "side deals."
Rubio wants to see any letters the administration sent to foreign governments.
The lawmakers want answers on whether the administration was briefed on the deals.
Jack Reed and Sheldon Whitehouse give the White House 23 votes out of the 34 needed.
“I hope we can defeat it, but the procedure is obviously stacked in the president's favor."
The rebels had pledged to fight only ISIS with their American training.
VIDEO | Wildfires have burned hundreds of square miles in western states.