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A Republican senator is calling for a delay in confirming CIA director nominee John Brennan- but not because of Brennan himself.

Sen. Lindsey Graham, R-S.C.,has proposed holding Brennan's nomination until the Obamaadministration answers more questions about the Sept. 11 attack on theU.S. Consulate in Benghazi, Libya, that killed four Americans, includingAmbassador Christopher Stevens.

"The stonewalling on Benghazi by the Obama administration must come to an end," Graham said.

WhiteHouse spokesman Jay Carney said aides have answered Benghazi questions,and it would be "unfortunate" if Brennan's nomination was held up overthe issue.

Administration officials initially attributed theattack to the protest of an anti-Islam film that got out of hand. Later,they blamed it on a terrorist attack.

"This ever-changing storyshould be resolved," Graham said. "It is imperative we understand whochanged the talking points just weeks before a presidential election andwhy."

The issue helped sink the chances of United Nations Ambassador Susan Rice to become secretary of State.

Graham has also criticized the other nomination Obama made Monday, former Nebraska senator Chuck Hagel for Defense secretary.

The South Carolina senator faces re-election next year, and could face a conservative challenge in the Republican primary.

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