Mark is one of the foremost authorities on nonverbal communication and body language and this week we're talking about his latest book that he co-authored with Tracey Thomson, Truth And Lies: What people are really thinking.  We also talk about the biggest misconceptions that people have when it comes to body language and we'll talk about a specific approach or mindset that you can have for critical thinking so that you have the best chance at understanding someone's body language so you can ultimately communicate more effectively with them.