North Atlanta is the new setting for a reality TV show about competitive mothering. Lifetime’s “Pretty Wicked Moms,” which premiered last Tuesday, features six local mothers and has already been classified as another “Real Housewives.” However, show stars Emily Dees Boulden and Nicole Bennett-Hraygil both said the show is about motherhood.  “It’s not trash,” said Bennett-Hraygil, who lives in Sandy Springs and is coined the Alpha Mom. “I really hope that every woman realizes you’...