Pessimism or optimism? Which is preferable? Apparently optimism. Optimists achieve better results, and are even healthier, according to studies conducted in a number of places around the world. But can we raise our children to be optimistic? Isn't optimism an inborn trait? But what can we do when a witch comes along who sees everything through "dark colored glasses?" How can we overcome her negativity? Talia Hieman, a coach affiliated with ICF, teaches...