Commentary Is the White House now the unofficial dead-letter office? A new letter, following in the unfortunate tradition of others, would make it seem so. This letter isn’t about the crisis of the hour: Russia–Ukraine. But it is related, part of the same nexus, and, if anything, is more serious. It’s about one of Russia’s, and China’s (China recently signed a 25-year cooperation program with them)  closest friends and the possibility of their obtaining—if they haven’t already—nuclear weapons. That, of course, is Iran. While Ukraine dominates the news, the question of rejoining the Iran nuclear deal, aka the Joint Comprehensive Plan of Action (JPCOA), which was supposed (laughably in the views of many, including former President Donald Trump, who ended our country’s participation) to keep nukes out of the hands of the fanatical mullahs, is being renegotiated on what some fear are weak terms—so weak that they would make the agreement …