Is it OK to cheat? Surveys show a rise in infidelity -- and the taboos against it seem to be fading away. CNN Presents examines the front lines of society's shifting sexual mores.
• Peggy Vaughan- author of The Monogamy Myth; expert and founder of BAN--Beyond Affairs Network--- a support network for people dealing with a spouse's affair.
• Dr. Bonnie Eaker Weil--author of Adultery: The Forgivable Sin
