It is not native intelligence or natural talent that makes people excel, it's old-fashioned hard work, sweat equity, and determination. In Grit to Great , Linda Kaplan Thaler and Robin Koval tackle a topic that is close to their hearts, one that they feel is the real secret to their own success in their careers--and in the careers of so many people they know and have met. And that is the incredible power of grit, perseverance, perspiration, determination,...