President Donald Trump during a visit to the David S. Mack Center for Training and Intelligence, a regional police training, state and federal law enforcement hub in Garden City, N.Y., Aug. 14, 2026. The U.S. and Iran are about to blow past a self-imposed deadline to broker terms on peace and Iran’s nuclear program as the war turns into an economic battle. (Al Drago/The New York Times) By AARON BOXERMAN, ZOLAN KANNO-YOUNGS and DAVID E. SANGER President Donald Trump’s ceasefire with Iran in…