Why have a muslim leader on if you arent going to ask any tough questions?,(reply>), Those were all tough questions for human beings. If you go back to the very concept of a higher power, what is god, faith, and prayer it is something that us humans still decide on and dispute about. Also, if that answer does not suffice, it may be because Lex wants to understand Islam from the perspective of an actual devout and outspoken Muslim. Especially a Muslim like Omar, due to his lack of political bias and his way of explaining these concepts.