U.S. President Barack Obama visits the ancient city of Petra, Jordan, Saturday, March 23, 2013. (AP photo/Mohammad Hannon)

 

              U.S. President Barack Obama visits the ancient city of Petra, Jordan, Saturday, March 23, 2013. (AP photo/Mohammad Hannon)
U.S. President Barack Obama visits the ancient city of Petra, Jordan, Saturday, March 23, 2013. (AP photo/Mohammad Hannon)