Whatever Hollywood says a presidential candidate is supposed to look like, Ron Paul isn't it. At 72, wearing mall-walking shoes and an inquisitive smile, he looks like a retired obstetrician, which he is. His platform is hardly from central casting, either. He not only wants U.S. troops home from Iraq, he wants them home from the rest of the planet. He wants to abolish an alphabet of federal agencies and the income tax, dismantle the Patriot Act, reconnect the dollar to the price of gold, decriminalize prostitution and call an end to the drug war. Seated in the House Speaker's...