Dutch King Willem-Alexander (R) shakes hands with Abu Dhabi Crown Prince Sheikh Mohammed bin Zayed al-Nahyan during a bilateral meeting in The Hague on March 25, 2014 on the sidelines of the two-day Nuclear Security Summit (NSS). The world must construct a system to fight nuclear terror with the world's atomic watchdog playing a central role, a draft of the Nuclear Security Summit's final statement says. AFP PHOTO/POOL/FREEK VAN DEN BERGH        (Photo credit should read Freek van den Bergh/AFP/Getty Images)