Summary For nearly five decades, American presidents have tried different approaches to Iran, yet the conflict persists because of the Islamic Republic’s revolutionary ideology. Iran’s constitution assigns its Revolutionary Guard an ideological mission that has driven attacks, hostage-taking and proxy warfare since 1979. Even as President Donald Trump negotiates a potential deal, Iran’s new Supreme Leader reaffirms his commitment to eliminate Israel and eject America from the Middle East. AI-generated summary was reviewed by a CNN editor.