A resolution to rein in President Donald Trump's war powers failed in the Senate, but a veteran lawmaker said Congress has a powerful tool to influence the conflict against Iran.Senators voted 53-47, largely along party lines, against a resolution that would have blocked further U.S. military action against Iran without congressional approval under the 1973 War Powers Act, but former congresswoman Jane Harmon published a column for The Bulwark reminding lawmakers of another weapon in their legis...