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Spain's Princess Cristina and husband, Inaki Urdangarin (right), leave a makeshift courtroom on Monday, the first day of a corruption trial. She is accused of tax fraud and is the first member of Spain's royal family to face criminal charges. Emilio Morenatti/AP hide caption
Saudi Arabia's King Salman (left) speaks with his son Mohammed in the capital Riyadh in 2012. The king was the crown prince at the time. When he assumed the throne last year, Salman named Mohammed, now 30, the deputy crown prince and defense minister. They have pursued a much more aggressive foreign policy in the region, particularly when it comes to confronting Iran. Hassan Ammar/AP hide caption