It is safe to say that Carnegie Hall has been the premiere showcase for what is great in American Art and Culture for over 130 years. It is not hyperbole to say that the concert given Monday night by Broadway and television star Lea Michele will be remembered as one of those defining zeitgeist events. Her two-hour intermission-less journey through her career so far was the kind of powerhouse performance that people talk about for years. For the young Millennial set, it is their Judy Garland moment, the thing they will reminisce over cocktails “I was there for…”