Calling All Hombres A Harvard sage makes the case for manliness. BY NAOMI SCHAEFER RILEY Saturday, March 4, 2006 12:01 a.m. EST CAMBRIDGE, Mass.--"Defend yourself." That's the lesson Harvey Mansfield drew for Larry Summers the week before Harvard's president was forced to resign. Mr. Mansfield, a 73-year-old government professor and conservative elder statesman of the university, went on to suggest that Mr. Summers's capitulation to those he offended (when he said women might be biologically less inclined to succeed in the hard sciences) is not simply a craven kowtow to political correctness, but proof, also, of a character flaw. Indeed,...