David praises it (Ps 133), Paul urges it (Eph 4:3), and Peter commands it (I Peter 3:8). Unity, that is. Unity among the brethren. But if you survey the Protestant landscape, from the most theologically conservative to the most socially liberal, you’ll find massive differences in both practice and belief. There isn’t a whole lot of unity—with one notable exception. The vast majority of these otherwise disparate churches are remarkably unified in their practical indifference towards abortion-vulnerable children.