As the lofts fill out, and the condos go up, it’s getting tougher to see Bushwick as the harbor of subculture and the avant-garde nightlife that has been part of its identity for the better part of a decade. Of course, this depends on what you are looking for and how hard you try to find it, but it is difficult not to get a slight sense of unease when that dude wearing a tie in the back room at Tandem tells you he works in finance… and that he lives in a condo a few blocks away.