Last weekend, the scene in Moynihan Train Hall was full of tired bodies. Bodies sitting on briefcases and rolling suitcases. Bodies sprawled out on the white terrazzo hallway floors. Bodies propped up against the stainless-steel track signage. Benches, it seems, weren’t part of the $1.6 billion Penn Station expansion. Inga Saffron, the Philadelphia Inquirer architecture critic, tweeted about this scene around 5 p.m. on Sunday, as a crush of travelers waiting for their Amtrak trains crouched and
