As yet another major challenger announces they will be entering the New Orleans mayor’s race the incumbent, Ray Nagin, says he welcomes the challenge. “The more the merrier,” he said Wednesday. “Let them all come.” The addition of Ron Forman, the CEO of the Audubon Institute, which runs a series of successful nature parks, adds to the list of prominent names in the race. Lieutenant Governor Mitch Landrieu, a member of a prominent New Orleans political family that includes former mayor Moon Landrieu and current U.S. Senator Mary Landrieu, said he will make a decision on running sometime after the...