From Salon.com’s Critics’ Picks: The eccentric, extravagant socialite Marchesa Luisa Casati once declared, “I want to be a living work of art,” and it’s a feat she pulled off during her lifetime. More significantly, though, even in a world where celebrities work overtime to assert themselves as daring originals, the Marchesa Casati continues to cast … More ‘More daring than Lady Gaga’