In our society, what we do often defines how we see ourselves: Our identity is tied up with careers and success. So what happens when we’re forced to start over? These people have grappled with reinvention, realizing that it’s possible to get out of situations that don’t feel right — and figure out how to move forward. Featuring musician Vanessa Carlton, journalist-turned-educator Chris Echegaray and former country music manager Chip Peay.