THE HAGUE, THE NETHERLANDS -  MARCH 23: King Willem-Alexander of the Netherlands meets with Nursultan Nazarbayez, President of Kazakhstan at Huis ten Bosch Palace on March 23, 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 Inge Van Mill - Pool/Getty Images))