Back in May 2000, I learned firsthand that James Dobson is a tough man to please. Dobson, the prominent Christian conservative who believes that his religious brethren have the God-given right to vet Republican presidential candidates, invited some political journalists to dine with him at his headquarters in Colorado Springs. As we silently forked our pasta salads, Dobson explained why he was so disappointed in frontrunner George W. Bush. Bush, apparently, was not sufficiently conservative, because he had not yet categorically renounced the idea of choosing Pennsylvania Gov. Tom Ridge as his running mate. Ridge was a defender of abortion...