In the start-up culture of the modern economy, turnover is a way of life. People need to be prepared to make big changes and pivots in their career without any warning. Throughout her career, Wendy Sachs has worked as a TV producer, a olitical press secretary, a PR executive, and more. Sachs joins with her the best career-change advice from her book "Fearless and Free: How Smart Women Pivot and Relaunch Their Careers."