The pageantry of New Orleans is on display for all the world as the Super Bowl returns to the Big Easy for the tenth time–tying the city with Miami as the most frequent host–and the first time since Hurricane Katrina. This year, with the game coinciding with the official twelve-day Carnival celebration (hence the nickname “Super Gras”), the city has pulled out all the stops in its savvy marketing of the New Orleans brand. The big show may be about the Ravens, the 49ers, and Beyonce’s halftime extravaganza, but tourism promoters have assured that the city will shine through it all and leave lasting impressions. To an even greater degree than on the eve of the 1984 Louisiana World Exposition, Super Bowl XLVII preparations…