By NPR Staff A man lowers a suitcase from the balcony of a building damaged by a strike in a commercial district of Tehran, Iran, during the U.S.-Israeli war on Iran, Sunday. Majid Saeedi/Getty Images hide caption President Trump says that negotiations with Iran are going well, and that Tehran "out of a sign of respect" will allow 20 oil tankers to pass through the Strait of Hormuz on Monday. However, he said, in comments made to reporters on Air Force One on Sunday night, "you never know with Iran, we negotiate with them and then we always have to blow them up." In a post on Truth Social Monday, he repeated his remarks about progress in negotiations, with the caveat that if Iran doesn't do a deal soon and open the Strait of Hormuz, the U.S. will blow up "all of their Electric Generating Plants, Oil Wells and Kharg Island (and possibly all desalinization plants!)" Trump also told the Financial Times in an interview Monday that the U.S. could "take the oil in Iran" and that he was considering sending U.S.…