Sisters Marceline, Marianne, Martine, and Manette DuPont don't see eye to eye on a lot of things, but still manage to make their sisterly relationship sometimes work, even when outside forces aren't in the picture.One of the reasons Marceline left Louisiana at 18 was to get away from her nagging sisters and to live life on her own. Well, 14 years later and with a medical degree under her belt, Dr. Elizabeth DuPont as she is known to her colleagues...