The sea squirt is a strange creature. It seems to be a backward oriented creature. The juvenile sea squirt wanders through the sea searching for a suitable rock or hunk of coral to cling to and make its home for life. When it finds its spot and takes root, it somehow figures it doesn't need a brain anymore. So it eats it.

The analogy between the sea squirt and some tenured professors has been pointed out on numerous occasions—but the church ought not laugh too loudly. I…