Sen. Bob Corker is proposing a bipartisan compromise aimed at ending the Senate stand-off over a new Iran sanctions bill and better clarifying what President Obama hopes to achieve in negotiations with Iran about rolling back its nuclear program.

After a closed-door briefing with a select group of senators and Wendy Sherman, the undersecretary of state for political affairs, Thursday evening, Corker, R-Tenn., said he suggested that the Senate pass a measure specifying the goal of the Obama administration's and five other world powers' six-month interim deal with Iran, which was finalized on Sunday.

“One of the things people are generally concerned about — even those who support the administration — is they want, I want, to see a negotiated settlement. I'm just worried that the administration has started this with an interim agreement that is so milquetoast, I mean, it's almost as if Iran has to do nothing, okay?” Corker told the Washington Examiner.

Corker, the top Republican on the Senate Foreign Relations Committee, said a growing contingent of senators worry that the sanctions regime they helped build against Iran could “crater” as the talks proceed.

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