Last Friday at a conference on economics at Harvard, Larry Summers, economist and President of that university ventured to explain the paucity of women at high levels of science and math; it might be due in part to "innate differences" between men and women. Fortunately, it was winter in Cambridge so no fans were in operation, but the hit was palpable. "Innate differences!" Horrors. It would take a master parodist to construct a more Victorian response than that given by Nancy Hopkins, an MIT biologist. She was "profoundly disturbed" "I felt I was going to be sick." "My heart was...