Saudi Arabia’s then-Deputy Interior Minister Prince Mohammed bin Nayef listens to the national anthem at a military parade in this Oct. 20, 2012, file photo. Saudi Arabia’s new King Salman appointed Mohammed as deputy crown prince. (Amr Abdallah Dalsh/Reuters) RIYADH, Saudi Arabia — In August 2009, a young Saudi militant with ties to al-Qaeda in the Arabian Peninsula sent word to Prince Mohammed bin Nayef, then Saudi Arabia’s counterterrorism chief, that he wanted to turn himself in. Mohammed sent his private plane to pick the man up, and he was taken to the prince’s home in the port city of Jiddah. But once the militant got within a few feet of Mohammed, he detonated a bomb that he was carrying in a body cavity. The explosion blew the attacker apart and lightly injured Mohammed, who has survived at least three other assassination attempts. “It was a mistake,” Mohammed acknowledged […]