President Barack Obama did not "lose" Iran. This is not a Jimmy Carter moment. But the foreign-policy education of America's 44th president has just begun. Hitherto, he had been cavalier about other lands, he had trusted in his own biography as a bridge to distant peoples, he had believed he could talk rogues and ideologues out of deeply held beliefs. His predecessor had drawn lines in the sand. He would look past them.

Thus a man who had been uneasy with his middle name (Hussein) during the presidential campaign would descend on Ankara and Cairo, inserting himself in a raging civil war over Islam itself. An Iranian theocratic regime had launched a bid for dominion in its region; Mr. Obama offered it an olive branch and waited for it to "unclench" its fist.

It was an odd, deeply conflicted message from Mr. Obama. He was at once a herald of change yet a practitioner of realpolitik. He would entice the crowds, yet assure the autocrats that the "diplomacy of freedom" that unsettled them during the presidency of George W. Bush is dead and buried. Grant the rulers in Tehran and Damascus their due: They were quick to take the measure of the new steward of American power. He had come to "engage" them. Gone was the hope of transforming these regimes or making them pay for their transgressions. The theocracy was said to be waiting on an American opening, and this new president would put an end to three decades of estrangement between the United States and Iran. In full.....