Following the tepid Christie's sale on Tues., Sotheby's sold a surprisingly strong $181.7 million worth of art, well above its high $163 million estimate for 66 works offered; 10 failed to sell. The strength of the evening lay in the material: Publisher S.I. Newhouse's Giacometti brought $19.3 million; the late Arthur M. Sackler's 1932 Kandinsky fetched $10.6 million; and a colorful Fauve seascape by Derain brought a record setting $14 million. Picassos also took some spirited bidding...