20/20

Season 2011

Episode 42: Fri, Oct 21

Mariah Carey and husband Nick Cannon on marriage, parenthood and Carey's pregnancy; Stephanie Madoff Mack, the widow of Bernard Madoff's son Mark, who committed suicide in 2010, on the Madoff scandal, life in the Madoff family and her husband's death and how she has coped with it. Madoff Mack's memoir is titled "The End of Normal." Barbara Walters and Chris Cuomo report.