President Donald Trump says he doesn’t want to carry out a U.S. strike on Iran but suggested he stands ready to act if it’s necessary to extinguish Iran’s nuclear program. The stakes are high for Trump as he faces a push-pull debate between his goals of avoiding dragging the U.S. into another war and preventing Iran from obtaining a nuclear weapon. Trump told reporters Wednesday: he's "not looking to fight. But if it’s a choice between fighting and having a nuclear weapon, you have to do what you have to do.” The comments came as Iran’s Supreme Leader Ayatollah Ali Khamenei warned anew that the United States would be greeted with stiff retaliation if it attacks.