Aly Raisman; Motherhood (Cont'd)

Host Meghna Chakrabarti talks about the USA Gymnastics sexual abuse scandal with two-time Olympic gymnast Aly Raisman. And Sen. Ed Markey joins us to talk about the House tax overhaul bill and first-strike legislation. Plus: We finish our conversation with Erica Komisar, author of "Being There: Why Prioritizing Motherhood in the First Three Years Matters."