25:16
Need To Know
Debating the Second Amendment
A roundtable examines the history of the Second Amendment and how it shapes debate today.
Medical Devices
PBS's new TV and web newsmagazine gives you what you need to know -- along with a healthy dose of insight, perspective and wit. Need to Know cuts through the noise of nonstop news to bring you the most compelling stories of the week and of our times. Every Friday night nationwide and all week long on the web.
Medical Devices
Season 3 Episode 12 | 25m 15s
This week “Need to Know” medical correspondent Dr. Emily Senay examines whether the Food and Drug Administration’s medical device review process is adequately protecting the public. Plus, anchor Jeff Greenfield interviews Dr. Josh Rising, project director of the Medical Device Initiative at The Pew Charitable Trusts.
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