Someone obsessed with achieving a "tremendous victory" has no interest in genuine diplomacy, because true diplomacy requires balance, compromise, and give-and-take, not absolutism.
He frequently claims to despise the 2015 JCPOA simply because it was crafted by a Democratic predecessor. But what about the Islamabad Memorandum of Understanding? That was his own administration's deal, yet he tore it up all the same.
Meanwhile, having spent months denying the economic fallout of his war, he now acknowledges a price, while bizarrely attempting to justify it by claiming he is acting to protect U.S. cities safe. Is that really his last remaining card? In fact, that is scraping the bottom of the barrel.