Guest host: Seth Doane. In our cover story, Tracy Smith looks at the tragedy of postpartum depression, and a promising new treatment. Also: Robert Costa interviews former House Speaker Kevin McCarthy, who this week announced his retirement from Congress; Ted Koppel looks at how black lung disease is worsening among ever-younger coal miners, and we look back on the lives of legendary producer Norman Lear and Oscar-nominated actor Ryan O'Neal. See Privacy Policy at https://art19.com/privacy and California Privacy Notice at https://art19.com/privacy#do-not-sell-my-info.