When Osama bin Laden was banished from Sudan in 1996, he left the country in a rented Soviet jet — an aged and antique Tupolev flown by a Russian pilot he did not trust. With him were a few bodyguards, his military commander, Saif al-Adel, and two sons named Sa’ad and Omar — both young men in their late teens. Although it was the corrupt Islamic government of Sudan that had robbed Osama bin Laden of much of his vast personal wealth, he blamed America for his misfortunes, according to Pulitzer Prize-winner Lawrence Wright. “He held America responsible for the...