MAYOR CRITICIZED EVEN BEFORE LEVY BREAK. National Hurricane Center Director had to call Nagin at home Saturday night to plead: "Get people out of New Orleans." "The criticisms of Nagin came from above as well. Numerous officials urged him to evacuate the city, but he worried about the legality of ordering people out when New Orleans has few safe hurricane shelters. Also, National Hurricane Center Director Max Mayfield in Miami called Nagin at home Saturday night and told him: Get people out of New Orleans. ''I could never sleep if I felt like I didn't do everything that I could...