Professor John Mearsheimer: This is much worse than Afghanistan, much worse than Iraq. He’s entered a war that he can’t win, and one could argue is likely to have catastrophic consequences.

The Iranians hold almost all the cards. I think it’s very hard for most Americans to understand this, especially people who watch Fox News and are loyal supporters of the president.

Iran can wreck the international economy.

We are in terrible shape. We are the Titanic. And I think President Trump basically understands that, and I think his advisers understand that, and they’re trying to turn the ship so that we don’t hit the iceberg.