Israel is preparing to bring home 20 living hostages held by Hamas for an excruciating two years. Dr. Hagai Levine, Head of the Health Team at the Hostages & Missing Families Forum, joins Chris Jansing on the challenges that will face the released hostages, saying, "we cannot undo the two years of nightmare” endured by the hostages and their families. Our next MSNBC Live event is on October 11th in New York City! Buy Tickets now: msnbc.com/live25 For more context and news coverage of the most