Congress is moving to dramatically tighten economic sanctions against Iran as lawmakers from both major parties express impatience over U.S. efforts to halt the expansion of Iran’s nuclear program, The Washington Post reported Thursday, June 12. House and Senate officials began crafting legislation this week that congressional leaders say will deepen the pain for Iran across multiple fronts, making it even harder for Iranian businesses to buy insurance, obtain foreign financing and export goods. The proposals have attracted scores of Republican and Democratic sponsors, who say they will push for passage before the August recess. The demand for new sanctions has been building in Congress since last month, when a third round of nuclear talks between Iran and six world powers in Moscow ended with no visible progress toward a deal on reining in Tehran’s nuclear activities.