Called the great exit or the silent reversal. An alarming trend in the American job market. After decades of gains, working mothers are leaving the labor force.>> This is a lifestyle issue, a stress issue, and something's got to give. And so, the thing that went was the job. >> Ryan Smith lives in Oregon.A perinatal mental health specialist with two young children. She and her husband just couldn't make the math work. 24 hours before we interviewed her, she submitted a letter of resignation to her employer. ...