Defense Secretary Pete Hegseth was the Trump administration’s frontman for waging war on Iran during weeks of kinetic operations aimed at decimating its nuclear threat. Since President Trump signed a memorandum of understanding (MOU) with Iran to end the war, without securing significant concessions on its missile or nuclear stockpiles, Hegseth has said little about the shift in strategy — as Vice President Vance takes the spotlight in defending the tenuous diplomacy. The public positioning of the top Trump advisers reflects reporting on their private counsel to the commander in chief, with Trump saying in March that Hegseth was “the...