""How many of the richest Americans are women? Given that women are just as likely as men to be born into wealth, and given that women now earn 78 cents on the dollar, you might imagine that the wealthy are at long last a gender-integrated crowd. But you'd be wrong. In a masterful scientific whodunit, Shortchanged explains why the wealth gap remains so extreme, even while women have made substantial gains in the labor market. If you're a fan of smart...