White House says Trump will decide within two weeks whether to strike Iran. President Donald Trump will wait as much as two weeks to decide whether to attack Iran’s nuclear program, the White House said Thursday, dialing back rhetoric about Iran having missed its window to reach a deal.

As Trump considers joining the war in the Middle East, Iran’s ally says there could be potentially perilous consequences for the world.

Authorizing foreign wars is the job of U.S. lawmakers, but recent presidents have stretched their own powers to engage in global conflicts.