As talks on an Iran nuclear deal enter the final stretch, U.S. lawmakers are sharpening warnings against a “weak” agreement and laying down red lines that, if crossed, could prompt Congress to trip up a carefully crafted international pact. Several influential lawmakers said they do not want to see any sanctions lifted before Tehran begins complying with a deal, and want a tough verification regime in which inspectors could visit Iranian facilities anytime and anywhere. They also want Tehran to reveal past military dimensions of its nuclear program, particularly after Secretary of State John Kerry seemed to soften the U.S. stance last week by saying Iran would not be pressed on this point. “I have become more and more concerned with the direction of these negotiations and the potential red lines that may be crossed,” Senator Bob Corker, the Republican chairman of the Senate Foreign Relations Committee, told […]