Uncertainty deepens over Iran as U.S. and Israeli assaults proceed

American and Israeli assaults on the Islamic Republic of Iran that killed the Ayatollah Ali Khamenei, prompting retaliatory strikes throughout the area, are the newest chapter in a virtually half-century stand-off between Tehran and Washington. “Sunday Morning” nationwide correspondent Robert Costa talks with New Yorker author Robin Wright about Iran’s historical past and ambitions, and about President Trump’s subsequent steps after launching strikes.