Facing Jackson Square, one should see a line of mules and their drivers ready to take visitors on a trip around the French Quarter. Now a tourist attraction, these animals played a vital role for New Orleans before the advent of motorized vehicles.…

As you stand in front of the fountain in Jackson Square or walk through the French Quarter peering into courtyards and hearing the faint trickle and splash of a fountain, think about the bugs that these water features attract. Mosquitoes have been…