It’s difficult to overstate the importance of this story. The Chronicle of Higher Education (sub. required) on Wednesday published an article about Khalid bin Mafouz, a wealthy Saudi banker, and his successful effort to persuade the Cambridge University Press to halt the publication of four books that detail how Saudi citizens use their wealth to finance global terrorism. One of those books, Alms for Jihad, was once on sale at Amazon and elsewhere, but it has been pulled from sale and copies of it are now being pulped. Cambridge has even sent out letters to libraries that stock it...