RuPaul was born November 17, which makes him a Scorpio — a detail he has said accounts for his observant and analytical nature during interviews. I could feel his gaze settle on me as he sat down on a gold couch at the London Hotel in New York, wearing rectangular black glasses and a suit made of thick brocade in a resplendent print of pink roses. This was not the light and effervescent RuPaul-in-drag the American public has come to know since the release of his single, “Supermodel (You Better Work),” in 1992, but rather workroom Ru: serious, sober, and slightly intimidating. During our conversation, RuPaul, 55, clapped back at critics who said RuPaul’s Drag Race used transphobic language, dismissed Spike TV’s Lip Sync Battle as a ripoff of his show, and explained why educating younger generations is a waste of everyone’s time. Grab your reading glasses, because the library is open.