The Eminem lookalikes at Union Square were also there to promote Dre and Snoop’s new “Gin & Juice” pre-mixed cocktails. Eminem is hard at work with the post-release rollout for his new album The Death Of Slim Shady (Coup De Grâce), and evoked “The Real Slim Shady” in doing so. Moreover, on Friday (July 12) in Union Square in New …