To scare off bullies, you must first have hit one of them

I did not watch the TV sitcom Happy Days very often, but one of the shows made a lasting impression on me. It encapsulates why all of us who are outraged at David Letterman’s vile rape jokes about 14-year-old Willow Palin and his unfunny, degrading remarks about her mother, Alaska Gov. Sarah Palin, must get …