New Orleans is magic.  I can’t land in New Orleans and not become immediately energized, excited, and free from any concerns that existed upon boarding the plane that carried me there, even if said plane is the second one I’ve boarded that day, because the first one turned around and went back to Atlanta after having major mechanical problems, causing the flight attendants to ask one another if they packed a change of underpants when they were sure no passengers could hear them walking off the jetway.  I…