Democrats are in a tizzy over news that the economy grew 7.2 percent in the last quarter, the fastest such growth since 1984. "Oh, no!" was their secret, instant cry. "Does this mean we can't blast Bush on the economy anymore? And if so, what does that do to our 2004 prospects?" Let's stipulate right here that Republicans remain the market leaders when it comes to praying for bad news that is good news for them politically. (If I didn't say this, right-wing talk show hosts would seize on this column as proof that this liberal is revealing his party's...