Negotiating with Tehran is time-consuming and difficult under the best of circumstances. And it remains unclear whether President Trump’s 14-day clock is more than a way to buy time for military preparations.

The move signals the U.S. is getting the bombers in place if they are needed for a strike on Iran, but officials said there had been no order given to ready a B-2 strike.

Trump said he was waiting to see “whether or not people come to their senses.”