"Frankly, I find (such accusations) humorous, " says John Esposito, director of Georgetown's Center for Muslim-Christian Understanding, recently renamed to honor Prince bin Talal.

NPR: Islamic Studies a Hot New Course at U.S. Colleges

John Esposito of Georgetown's Center for Muslim-Christian Understanding says Yusuf has been working on a project to translate key texts of Islam that are important to the Muslim community and that may also be of interest to non-Muslims.

NPR: Convert Plays Leadership Role in Muslim Community