Stories about princes and princesses, and quests and bravery in the face of extraordinary odds, have remained an essential part of our culture’s foundation, shared by parents and children for many generations— they have also inspired countless artists along the way. A renowned fantasy artist and illustrator of children’s literature, Ruth Sanderson has created imagery for more than 75 picture books, many of which bring such classic tales to life. Norman Rockwell Museum will present “Dancing Princesses: The Picture Book Art of Ruth Sanderson” beginning Saturday, December 7th….