Apart from the sheer mass of the Clintons’ earnings, perhaps the most intriguing revelation contained in the release of the Clinton tax data last week was that Bill Clinton received a whopping $15 million advance in 2001 for what would become his autobiography, My Life. As even the New York Times noticed, this was significantly “larger than previously thought” — or, more exactly, than previously reported. For example, an August 7, 2001 article in the Times puts the figure vaguely at “over $10 million.” A Wall Street Journal report from the following day cites a more concrete figure of “close...