hy, oh Y, are men so insecure? The darlings have been fretting for some years now that they may be rendered unnecessary if women get financial and biological independence, learning how to reproduce and refinance without them. What if nature played a cruel trick and demoted men, so they had to be judged merely by their appearance, pliability and talent for gazing raptly at the opposite sex, no matter how bored? New research on the Y chromosome shows that my jittery male friends are not paranoid; they are in an evolutionary shame spiral. As Nicholas Wade wrote in The Times:...