How to understand your preschooler (or anyone who acts like one)

Dealing with your pre-schooler can be tough; they want to do one thing and you want them to another. But seeing things from their point of view can help. Authour Dr Deborah MacNamara explains some common misconceptions about preschoolers and the science behind their brains in her new book 'Rest, Play, Grow: Making Sense of Preschoolers.'