Moxie is the essence of what makes a leader tough on the inside and soft on the outside; these people know what it means to get knocked down, but better still they know how to get back up; they also stick up for others, especially when the chips are down, and you want them on your side, and lucky for you, they most often are, according to John Baldoni in his book Moxie: The Secret to Bold and Gutsy Leadership.
My full review of the book is available at my business book reviews website.