• Mr. Hekmati???s family, who is from Flint, Mich., has been publicly pleading for his release, and American officials, including Secretary of State John Kerry, have been calling on Mr. Rouhani???s government to let Mr. Hekmati go home.On Tuesday, Mr. Hekmati???s congressman, Daniel T. Kildee, sent a letter to Samantha Power, the new American ambassador to the United Nations, urging her to press the