Obama calls on Iran to immediately release detained Americans

WASHINGTON, March 20 (Reuters) - U.S. President Barack Obama on Friday called on Iran's government to immediately release three detained Americans - Saeed Abedini, Amir Hekmati and Washington Post reporter Jason Rezaian - and to help find Robert Levinson, an American who disappeared in Iran eight years ago, the White House said. Obama made the statement in conjunction with Nowruz, the Iranian New Year. ...