Siri Hustvedt'sWhat I Lovedbegins in New York in 1975, when art historian Leo Hertzberg discovers an extraordinary painting by an unknown artist in a SoHo gallery. He buys the work; tracks down the artist, Bill Wechsler; and the two men embark on a life-long friendship. Leo's story, which spans twenty-five years, follows the growing involvement between his family and Bill's--an intricate constellation of attachments that includes the two men, their wives, Erica and Violet, an