L'Acadiane Gives Lafayette Square a Taste of New Orleans

There is a large map on the back wall of the front room of L'Acadiane(1915 Park Avenue, 314-875-0108), David Bailey's new restaurant in Lafayette Square. To the uninitiated, it may seem like merely a cool design element, something to look at while you're quaffing one of the bar's excellent cocktails.

But it's much more than that.…