Berlin CNN  —  It’s 2 a.m. and hundreds of people are lined up outside Berlin’s legendary techno club Berghain. Forget the Philharmonic or the Neue Nationalgalerie — this is Berlin’s most famous cultural institution, and throngs of black-clad dance freaks are hoping to make it past the club’s notoriously selective bouncers. But all’s not well in Berlin’s club scene. Wilde Renate, a funhouse of stacked dancefloors inside a shabby old apartment building just over a mile from Berghain, plans to