It’s been 40 years since the Islamic revolution in Iran. In 1979, many Iranians felt a strong sense of hope as change was sweeping through their country. Ayatollah Khomeini’s return to Iran from exile was one of the most significant moments of the revolution. Now, 40 years later, we’re hearing more of what was going on behind the scenes. Also, we hear from two Iranians born after the revolution, who are so frustrated with conditions inside Iran, that they want to leave; we’ll look at how US sanctions on Iran are impacting American businesses; plus, the story of an Iranian-American navy veteran who grew up in revolutionary Iran; and Iranian women’s rights advocate, Masih Alinejad, explains how political hair can be in Iran. (Revolutionary leader Ayatollah Ruhollah Khomeini leaving the Air France Boeing 747 jumbo that flew him back from exile in France to Tehran. Credit: Gabriel Duval/Getty Images)