WASHINGTON — Vice President JD Vance said Thursday that Iran was “honoring” the terms of its preliminary peace deal with Washington — before declaring a 60-day window to hash out a final agreement had opened. Vance touted swift economic relief as he tried to stem a revolt by congressional Republicans fearful that the vague terms of the 14-point memorandum of understanding (MOU) would strengthen rather than hamstring the anti-American theocracy. “Last night, 12.5 million barrels of oil [went]