** FILE ** Saudi Crown Prince Nayef bin Abdul-Aziz (right), who died on Saturday, June 16, 2012, and his brother Prince Salman bin Abdul-Aziz attend a welcoming ceremony for Gulf Arab leaders as they arrive in the Saudi capital, Riyadh, for a Gulf Cooperation Council summit on Monday, May 14, 2012. Prince Salman has been named crown prince. (AP Photo/Hassan Ammar)

Photo by: Hassan Ammar

** FILE ** Saudi Crown Prince Nayef bin Abdul-Aziz (right), who died on Saturday, June 16, 2012, and his brother Prince Salman bin Abdul-Aziz attend a welcoming ceremony for Gulf Arab leaders as they arrive in the Saudi capital, Riyadh, for a Gulf Cooperation Council summit on Monday, May 14, 2012. Prince Salman has been named crown prince. (AP Photo/Hassan Ammar)