As this week's economic events show—the second straight quarter of nearly 4 percent growth in gross domestic product and job growth twice what Wall Street expected—betting against the American economy is one of the all-time losing wagers. Mortgage mess, credit crisis, high oil prices—whatever. The boom keeps booming. Over the past 25 years, the United States has enjoyed a marvelous stretch of almost uninterrupted economic growth. In fact, November marks a wonderful double anniversary. The current six-year economic expansion dates from November of 2001, while the long economic boom dates from November 1982. Consider this: Since 1982, according to the...