It may be something of a surprise that, as a long time conservative, I now support Barack Obama. In 1968, I was a speechwriter first for Ronald Reagan, when Governor of California, then, as Richard Nixon became the presidential nominee, a speechwriter for Nixon, working at his home office at 450 Park Avenue. I became a senior editor at National Review in 1969, a position I held until recently. Republican President George W. Bush has not been a conservative at all, either in domestic policy or in foreign policy. He invaded Iraq on the basis of abstract theory, the very...