U.S. President Barack Obama participates in a joint news conference with Jordan's King Abdullah II (not shown in the picture) at Al-Hummar Palace, in Amman, March 22, 2013. (Xinhua/Mohammad Abu Ghosh)

Jordan's King Abdullah II speaks during a joint news conference with U.S. President Barack Obama (not shown in the picture) at Al-Hummar Palace in Amman, March 22, 2013. (Xinhua/Mohammad Abu Ghosh)

U.S. President Barack Obama (L) participates in a bilateral meeting with Jordan's King Abdullah II at Al-Hummar Palace, in Amman, March 22, 2013.(Xinhua/Mohammad Abu Ghosh)