American Christians, weary of decades of entrenched partisan feuding, are increasingly distancing themselves from politics. Some, however, continue to turn toward the state and public policy to find solutions to the world's problems. The problem is that both responses allow a narrow vision of politics to determine the church's mission and ministries, which often ends up separating its commitment to personal faith from the pursuit of social justice--the King from the kingdom. Christians too easily forget that the church is inherently political, a community defined by its allegiance to a King,...