Granted, such an investigation both postpones the day of reckoning -- and gives nervous Democrats a pretext for refusing to answer any questions or discuss the matter any further. And granted, Republicans simply called for their own fellow Republican's resignation when he was caught sending shirtless photos -- without needing an Ethics Committee investigation to help them make up their minds about the matter.
Carol Platt Liebau is an attorney, political commentator and guest radio talk show host based near New York. Learn more about her new book, "Prude: How the Sex-Obsessed Culture Hurts Young Women (and America, Too!)" here.