Jimmy Carter says appearing more "resolute" and "manly" could have gotten him reelected.
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"I have been upset at the NFL for the mishandling of this Ray Rice episode," he said.
D.C.'s delegate declined to call for the Secret Service director's resignation.
The numbers are largely unchanged from polling over the summer.
Seventy percent of people support targeted airstrikes in Syria.
Rep. Elijah Cummings (D-Md.) isn't comfortable with Pierson as Secret Service director.
More than 65,000 unaccompanied child immigrants have been detained this year.
Former Sen. Larry Craig was fined for using campaign funds to pay for legal fees.
Omar Gonzalez has been indicted on charges that he unlawfully entered the White House.
Ryan did not make the same pledge for other Republicans.