Hope can be a pretty tricky thing. If you don't have enough, you're going to be miserable. If you have too much, maybe you're in denial about something really bad. Joan Chittister, Benedictine nun and author of more than 40 books, weighs in on what hope means in tough times. Neil Pasricha, blogger about all things awesome, drops by the studio, and writer Teri Degler will share her story about finding hope when she least expected it. And we'll treat you to some of the wisdom of the English novelist Terry Pratchett.