I’m in the St. James Theatre watching the new Broadway production American Idiot, and I’m imaginig Sid Vicious watching with me. The production really begins in the lobby, which is full of messy graffiti and black paint. An air of menace is further created by signs that warn of graphic language and strobe lights. This isn’t Mary Poppins. This is Punk. On Broadway. American Idiot the musical (based on American Idiot the Green Day concept album) opens with a high-energy rendition of the eponymous song. Young men and women wearing old T-shirts and jeans run around the stage performing stylized headbanging and mosh pit machinations. The walls are plastered with flashing television sets and concert posters of West Coast punk bands — Dead Kennedys, Social Distortion. The orchestra is a rock band that plays right on stage. People in the audience are cheering and bouncing up and down. Now this… More…