Donald Trump has long questioned the value of the United States’ military and security alliances – at least as far back as 2016, when, not yet president, he dismissed NATO as “obsolete.” But the president’s derision of America’s alliances and dismissal of their utility – in particular that of NATO and European partners – in the wake of his war in Iran have many officials and analysts concluding that, this time, it’s different. Mr. Trump, they say, has gone so far in his actions and comments that a divide has formed from which there will be no going back. Why We Wrote This America’s European allies have mostly found ways to appease President Donald Trump when he’s questioned the value of U.S. alliances, especially NATO. Yet amid the bitter rhetoric and growing divide over the Iran war, there’s a sense the damage might be irreparable. “The Europeans are fed up.…