I suspect that what we will see in the future is a church basing itself in the developing world, and adopting more African views on the subjugation of women, criminalization of homosexuality, and the evils of Western liberal capitalism. Europe will remain the enemy, Islam a useful ally and America's Republican Party Christianists a source of money and power as the Western flock shrinks to the rump that Benedict devoutly wishes for.
This is about the Catholic, not any Protestant, Church, but it could be interpreted as an interesting sort of reversal of the dynamic I was trying to describe in that post. I would say I need to think about this more, but I don't have anything like the time. Alas.