THE HAGUE, NETHERLANDS - MARCH 24:  King Willem-Alexander of The Netherlands and Queen Maxima of The Netherlands greet Jordan King Abdullah II Bin Al-Hussein at the Royal Palace Huis ten Bosch on March 24, 2014 in The Hague, Netherlands. The Nuclear Security Summit, held March 24-25, will be attended by world leaders and is aimed at preventing nuclear terrorism.  (Photo by Koen Van Weel - Pool/Getty Images)