Statutes of limitations, child sexual assault, and asking the wrong question

Child sexual assault has become the hot topic in the sports-and-law overlap, with allegations against several college football and basketball coaches, AAU officials, and most recently, a Hall of Fame sports writer Bill Conlin of the Philadelphia Daily News. One unifying theme is that many of these cases cannot be prosecuted because the statute of limitations has run on most of these cases (for example, Conlin's alleged assaults all occurred in the 1970s). So a frequently asked question--I was asked it in a radio interview last week and Slate's Jessica Grose raises it again--is why we have statutes of limitations for child sexual assault cases.But I think that is the wrong question to ask.On one hand, the answer is easy. We have statutes of limitations in sexual abuse cases for the same reasons we have statutes of limitations for every other crime (except murder, more on that below): Evidence and people disappear and memories fade or change or become distorted, thus...