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.

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

President Donald Trump on Friday slammed his handpicked Director of National Intelligence and the Intelligence Community’s assessment of Iran’s nuclear weapons program and claimed Tehran could produce a working weapon within “a matter of weeks” while offering no evidence.