I believe the trick involves preventing a revolving-door turnstile from turning: http://abclocal.go.com/wabc/story?section=news/local&id=6849264 http://abcloca

I believe the trick involves preventing a revolving-door turnstile from turning: http://abclocal.go.com/wabc/story?section=news/local&id=6849264 http://abclocal.go.com/wabc/story?section=news/local&id=...