What happens when we run out of taboos? The question arises thanks to a column in Salon.com from one Jenny Kutner, an assistant editor "focusing on sex, gender and feminism." This particular column focuses on an 18-year-old woman who is currently dating. That wouldn't be odd, except that she is dating her biological father. Apparently, this woman's father left her family when she was 4; when he came back into her life, she was 16. "It was so weird and confusing," she said. "I was seeing my dad for the first time in forever but it was also like, He's...