I drove up to Auburn Tuesday to see Tom McClintock rhetorically throw his hat into the ring. "The ring" in this case refers to the 4th Congressional District, and the cliché is historically appropriate. Apparently derived from a frontier tradition of throwing one's headgear into a boxing ring to announce one's pugilistic intentions, it was popularized as a political term by Theodore Roosevelt in 1912. "My hat's in the ring. The fight is on, and I'm stripped to the buff," Roosevelt said as he announced he would challenge a heretofore fellow Republican, William Howard Taft, for the presidency. Which is...