In the first couple of pages of her 1987 memoir Being and Becoming, Myrna Loy gets down to business. Talking about the sex lives of Hollywood stars such as herself, she tells us that "any business involving so many beautiful and high-strung people working together on such intense and intimate terms is bound to breed an easy promiscuity. God knows I've fended off my share of amorous men – attractive, desirable men." She goes on to provide a short list: John Barrymore ("just because he felt like a little redhead now and then didn't incline me to join the club..."),...