Republican and Democratic U.S. lawmakers will press ahead with a plan for more sanctions on Iran, the chairman of the Senate Foreign Relations Committee said on Wednesday, despite White House warnings that they risked derailing nuclear talks. Lawmakers, who say they fear Obama administration negotiators may not take a hard enough line with Tehran, are also at work on a separate bill to have Congress approve any final agreement on Iran’s nuclear program, Senator Bob Corker, the chairman, told Reuters in an interview. “There’s continual efforts to try to figure out a way for Congress to play a role to strengthen whatever final deal may occur,” the Tennessee Republican senator said. Republican Senator Mark Kirk and Democratic Senator Robert Menendez are finalizing a bill for tougher sanctions on Iran if there is no final nuclear deal by June 30. The Senate Banking Committee is due to […]