Normally, a visit to the Rodin Museum means admiring the sculptor’s most revolutionary works of art: The Kiss; The Thinker; and The Burghers of Calais. But last week, on March 4, 2011, another kind of revolution took place here in the Paris fashion world, one that has rocked the world of high fashion—namely the Dior fall-winter prêt-à-porter women’s fashion show held beneath a cavernous tent put up in the Rodin gardens. What took place was far more radical than Dior’s 1947 New...