Maybe he's still hesitating in the face of an action that runs contrary to his basic political instincts. Or maybe he's just basking in the vast attention his dramatic vacillation has been getting in the last few days. But as of Thursday evening, U.S. President Donald Trump had not yet clearly announced what he has decided about ramping up American involvement in the Israel-Iran war.

President Trump’s contradictory comments left Israelis and Iranians trying to understand whether and how the U.S. would intervene.

Four days into Israel's surprise attack on Iran, the Iranian leadership is facing a dangerous dilemma. All publicly available signs point toward an imminent American strike.…