I was back in Boston for Father's Day this weekend, so I took the opportunity to watch the first episode of the new Showtime series City on a Hill with my family. We all came away impressed -- a few shaky accents be damned -- and at the end of the episode, my brother asked me where he'd seen the co-lead before. I told him, "probably Straight Outta Compton. He wasn't Cube or Dre or Eazy-E, he was the other guy, MC Ren." My brother was about to shrug, and then I added, "his name is Aldis …