WASHINGTON — Defense Secretary Pete Hegseth on Monday spoke to widening concerns that the U.S.-Israeli strikes in Iran could spiral into a protracted regional conflict by declaring, “This is not Iraq. This is not endless.” Hegseth, along with Air Force Gen. Dan Caine, chairman of the Joint Chiefs of Staff, held the Trump administration's first news briefing since Saturday's strikes. President Donald Trump, while he’s conducted a few phone interviews with individual reporters, has not taken questions on camera and only released two videos since the operation began. Hegseth said the operation had a “clear, devastating, decisive mission” to “destroy the missile threat” from Iran, destroy its navy and “no nukes.” “No stupid rules of engagement, no nation building quagmire, no democracy building exercise, no politically correct wars. We fight to win, and we don’t waste time or lives,” Hegseth said. Asked if there are currently boots on the ground in Iran, Hegseth said, “No, but we’re not going to go into the exercise of what we will or will not do.” He said it w