A few years ago my colleague Martin Plissner wrote a piece entitled "The 25 Percent Solution," quoting Rep. Louise Slaughter bemoaning the fact that the United States ranked 60th in women's political leadership, behind Sierra Leone and tied with Andorra. "With women holding barely 15 percent of the seats on Capitol Hill, it will soon trail Iraq and Afghanistan as well," Plissner wrote. The media is agog over the fact that Rep. Nancy Pelosi is about to become speaker of the House, and releases from women's organizations proclaim victories last Tuesday of "historic proportions." This is true. When the Congress...