By Kelly McEvers

(NPR's Morning Edition), July 14, 2009 · Of the 19 hijackers in the terrorist attacks of Sept. 11, 2001, 15 were Saudis. Since then, textbooks used in schools across Saudi Arabia have come under harsh criticism for teaching religious intolerance that can lead to violence.

Now, the country has revised its textbooks and is undergoing a massive education reform program. But critics wonder if those efforts go far enough.