Trump grapples with the greatest cost of his war in Iran: The human cost

President Donald Trump is under pressure to minimize the cost of Operation Epic Fury, his expanding conflict against Iran. The Department of War confirmed this week the identities of the six U.S. service members killed in action so far: Maj. Jeffrey O’Brien, 45, of Iowa; Chief Warrant Officer 3 Robert Marzan, 54, of California; Capt.…