To stem extremism, should they follow the lead of many Muslim governments and get involved in Islamic affairs by promoting some clerics (or theologies) over others?
Other denominations have worked evolution into their theologies in different ways, ranging from a basic acceptance of the Catholic view all the way to rejecting the doctrine of Original Sin completely.
As for the specifics of Wright's incendiary sermons, Marty says his slamming of white America is standard in many liberation theologies movements that include those on behalf of feminists, Latinos and more.