"This president has never ever been comfortable being commander in chief," said Corker.
Sen. Bob Corker said he's confident his bill on a nuclear deal will have 67 votes.
Sen. Tom Cotton (R-Ark.) said he would propose legislation that doubles down on U.S. support for Israel at the United Nations.
There are signs a deal could be in the works.
Lydia Wheeler 03/19/15 12:04 PM EDT
Jordain Carney 03/19/15 12:01 PM EDT
McCain says he was "surprised and disappointed" by the remarks.
A deal could be in the works to move the human trafficking bill.
Cornyn suggests shift in funding to end fight.
The aide did not tell Sen. Amy Klobuchar about it, according to her office.
Reid said Paul, an ophthalmologist, has offered encouragement and expert advice.