Courtesy the DCist tip line, we find these collectible pins on Etsy.com that feature “pearls of wisdom” from our very own Mayor for Life, current Ward 8 D.C. Council member Marion Barry. For $2.50, you get a set of two 1″ pins, one with the legendary “bitch set me up” quote, the other with the rather more recent “I am a politician who’s moral” message. The pins, created by Craftgasm, come in an assortment…