While we all like to believe we're confident in our skills and experiences at work, everyone battles with a level of self-doubt. Interestingly, women's leadership expert Tara Mohr says that confidence means little in this regard. Tara is the author of "Playing Big: Find Your Voice, Your Mission, Your Message," and she describes to Tim Muma the key strategies you should be using to shake off your own self-doubt and the doubts of your employees.