Art advisor to the stars Barbara Guggenheim slept with clients, once ripped off Sylvester Stallone: lawsuit

Barbara Guggenheim, who is not believed to be related to the famed family whose name graces the Guggenheim Museum, once urged her much younger employee and later, partner, Abigail Asher, to "wear leather and be provocative" at a client's house and told her "that she should never go to a client’s home unless she was...