Did you have trouble learning language skills at a young age? It's probably because you didn't have the right teacher. And by "the right teacher," we mean the right robotic dragon, naturally. This cuddly little mythical beast is the joint creation of researchers at Northeastern University, MIT and Harvard -- some of whom were behind the decidedly creepier Nexi bot. It's part of a National Science Foundation-funded program to help young children learn language skills, suggesting that forming a bond with a teacher plays an important role in the educational process. The dragon will be brought to preschool classes to help test out