Respect the O.G.s - Melle Mel sent a message to the haters criticizing Macklemore and Ryan Lewis's new video and song "Downtown," which features Mel as well as fellow hip hop pioneers Kool Moe Dee and Grandmaster Caz.   The O.G. told XXL, "I know for a fact that J. Cole or Kendrick Lamar or Rick Ross or Jay Z or any of these cats, they would not have done it, ever. It took him to do it. And all those other so-called 'real cats,' they should hang their heads because somebody should have done it by now. They could have reached back to any of us. If you’re making records and you say you’re hip hop, you’re supposed to have a connection to what hip hop really is. And nobody made that connection until Macklemore made the connection."While Melle Mel checks his sons for not reaching back to the elders that paved the way...