Mike Heenan has two daughters, his oldest daughter is only 3, but he decided to write a break-up letter to rap music. In a blog post, Heenan writes: Dear Rap Music, I’ve been known to “throw my hands in the air and wave ‘em like I just don’t care.” I used to hit up your shows and you could often “find me in the club, bottle full of bub,” where, if your beat thumped enough and your hook looped just right, I could be enticed to “jump motherf*cker, jump motherf*cker jump.” And while I’ve never really been “down with O.P.P.,”...