Saudi Arabia frees American imprisoned over critical tweets, his son says

Read MoreSaad Almadi, 72, a dual U.S.-Saudi citizen, was behind bars more than a year over tweets critical of the kingdom’s crown prince, Mohammed bin Salman.Saad Almadi, 72, a dual U.S.-Saudi citizen, was behind bars more than a year over tweets critical of the kingdom’s crown prince, Mohammed bin Salman.