The role of Christians in society (as salt and light) is fast changing. Our strategies are shifting. The War of Worldviews takes on more of a guerrilla-warfare character. And it's time to build Christian community, which starts with the local church . . . and at core—our worship. And you can't build a Christian community without Christian education. And what are the non-negotiables that must form the do-or-die basis for likemindedness? Here, Kevin Swanson grills Douglas Wilson on his new book, "How to Build Christian Communities that Save the World." An interesting conversation, to say the least.