In late March 2008, on a local New York City show called “Inside City Hall,” the venerable African-American entrepreneur and politico, Percy Sutton, told host Dominic Carter how he was asked to help smooth Barack Obama’s admission into Harvard Law School 20 years earlier. The octogenarian Sutton calmly and lucidly explained that he had been “introduced to [Obama] by a friend.” The friend’s name was Dr. Khalid al-Mansour, and the introduction had taken place about 20 years prior. Sutton described al-Mansour as “the principal adviser to one of the world’s richest men.” The billionaire in question was Saudi prince Al-Waleed...