Iran launched ballistic missiles at Israel this week, in the latest escalation between the two Middle Eastern powers. But would you believe that 40 years ago the two nations enjoyed a quiet diplomacy? What happened here? And why is the rest of the Middle East once more getting sucked into the rivalry? This week on How We Got Here, Max and Erin explain why “ancient hatred” isn’t to blame, what role Lebanon and Hezbollah play, and how Donald Trump has made—and could still make—all of this much, much worse.