Interesting, clear, historical overview and pressing conclusions on the subject, especially the need to move away from the recent religious hardening, by Reuben Firestone in Arches, vol. 4, edition 7, Winter 2010. Arches is published by the Cordoba foundation, founded and presided by Anas Altikriti, close to Muslim Brotherhood according to that link. The article was made available on Academia.edu.