Trump has said for days that Iran should make a nuclear deal with the U.S. But his message became more dire as he warned the Iranian capital's roughly 10 million residents to flee in the dead of night.

President Donald Trump is under fierce pressure from inside Israel and his own MAGA base as he ponders the most fateful national security decision of either of his presidencies — whether to attempt a killer blow against Iran’s nuclear program.

Whether the U.S. gets more involved than it already is, some members of Congress from both parties argue, should not be up to the President.

The president said Iran can’t have a nuclear weapon and warned it not to target U.S. interests. “Iran cannot have a nuclear weapon. It’s very simple,” he told reporters on Air Force One. “We’ll come down so hard if they do anything to our

Iranian officials have warned that U.S. participation in an attack on its facilities will imperil any chance of the nuclear disarmament deal the president insists he is still interested in pursuing.

"American Forces are maintaining their defensive posture & that has not changed," the chief Pentagon spokesperson said.

Monday on the RealClearPolitics radio show -- weeknights at 6:00 p.m. on SiriusXM's POTUS Channel 124 and then on Apple, Spotify, and here on our website -- Andrew Walworth, Tom Bevan, and Carl Cannon break down the complex three-way relationship between the U.

After canceling negotiations with the U.S. scheduled for Sunday, Tehran has signaled it is willing to talk.