“If, in 2003, America was finally able to look at a two year-old photograph suggesting that it had to revise what it thought it knew about how people died on 9/11, by 2007 it was primed to watch a prime-time melodrama suggesting that it had to revise what it thought it knew about how people lived in 1960. It was ready to hear that what it had always regarded as American exceptionalism got its start as American entitlement, and was always fated to fall back to earth.”