How a 9/11 law could allow the president to go to war with Iran

In recent weeks, Secretary of State Mike Pompeo and other officials have been trying to make the case that Iran has connections with al-Qaeda and so the US can attack it using the War Authorization Act passed by Congress after 9/11. But experts say Iran’s connections to al-Qaeda don’t rise to the level that would justify using that law. The World’s Shirin Jaafari reports.