Check
Ratty homemade signage?
Check
Street musicians?
Check
General air of hipstery pseudo-intellectual everybody-look-at-how-literate-I-am-ism?
You betcha.
Oh wait. Here's what's different. I've been to quite a few NOLA Bookfairs and didn't notice anyone being beaten by police.
Otherwise, they're basically the same event. The only conclusion I can draw from this is Michael Bloomberg's NYPD are actually bigger dicks than NOPD's 5th District goons.