MSNBC Live with Tamron Hall 02/03/15

2016 contenders debate vaccinations & parental choice

Pres. Obama, Chris Christie, Rand Paul and Hillary Clinton have jumped into the debate over vaccinations and parental choice. NBC’s Hallie Jackson, NYU Langone’s Director of the Division of Medical Ethics Arthur Caplan and Health Care Consultant Nick Diam ... more Duration: {{video.duration.momentjs}}