How this got on Slashdot I'll never know, but the posting there contains a link to this fine article (of the title above) by Paul Graham.
He goes into quite a bit of reasoned thoughtfulness on why we can't say what we can't say: the dominance of moral fashions and fads, sexism and bell-bottoms. Read it - you won't be disappointed.
MacRaven Dave Haxton's Weblog Musings, Reflections, Rants and Comments from a Hoosier Heathen husband, father, grandfather, farmer and software engineer. There's really only one of me ...