LONDON.- Sotheby’s announced that in February 2008, it will be holding its flagship Contemporary Art auctions during a stand-alone week of Contemporary Art events for the first time, including an extended public exhibition devoted solely to the best international Post-War and Contemporary Art. An Evening Sale of around 70 lots will be held on Wednesday, February 27th, and will be followed by Morning and Afternoon sessions of classic and cutting-edge Contemporary Art on Thursday, February 28th....