I couldn’t help but feel that the veil of kayfabe was wavering as John Cena railed against Paul Heyman on RAW Monday night. There was a tremble and a fervor in Cena’s voice as he laid out his grievances: he shows up and works hard every day even if he doesn’t feel like it because he “loves this place,” and where’s the respect? We may have been seeing real emotion there, his frustration as he…