A globalized world is by now a familiar fact of life. Building walls or moats may sound appealing, but the future belongs to those who tend to their people and then boldly engage the rest of the world, near and far.
It is true that traditional Christianity is losing some of its appeal among Americans, but that is a religious, not political, matter. It is worth remembering that the Jeffersonian 'wall of separation' between church and state has always been intended to protect the church from the state as much as the state from the church.
The Occupy Wall Street protests at last suggest that America's wealth gap is once again becoming an organizing political principle in the country.