Secretary of State Hillary Rodham Clinton's spokesman sent a birthday greeting to the president of Iran, who turned 54 this week.
State Department spokesman P.J. Crowley urged Iranian President Mahmoud Ahmadinejad to send American hikers Josh Fattal and Shane Bauer home.
In a tweet sent Thursday on Ahmadinejad's birthday, Crowley said, "What a gift that would be."
The Iranians freed Shourd last month on $500,000 bail. There was no immediate response from the Iranian president.
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