As long as they use Lincoln's bible at the presidential inauguration America, the most powerful country in the world will be achristocentric. It's more likely for the Grand Canyon to blow up than for the USA to stop being first and foremost Christian. Everything else is curtain dressing in the form of accomodating and letting other confessions join the table. But the one at the top of the table always stays the same. Because Christianity and Capitalism are irreversibly linked through Protestantism. Martin Luther never mentioned Islam in his famous Wittenberg after all.