After spending 30 years in the wilderness the "Christian left" is making its voice heard. From Washington, D.C., to Dallas, large conferences have been held in an attempt to politically mobilize these "progressive" Christians. Much can be said about this burgeoning movement, and much will be said in the coming months. For now, let's start with this: as fellow believers, we should not be afraid to engage the evangelical left's ideas in a spirit of love. It would be a mistake, as we begin this dialogue, to view these men and women as "political enemies" rather than fellow members of...