How Much Is Oprah Responsible For The Rise Of Dr. Oz?

The daytime talkshow star has always been a driver of cultural trends. But now as Dr. Oz campaigns for the Senate, we look at her politics, and how she wields her political influence. On Today's Show: Kellie Jackson , historian, associate professor of African Studies, Wellesley College and host and executive producer of the Oprahdemics podcast, and Leah Wright Rigueur , associate professor of history, Johns Hopkins University and co-host of the Oprahdemics podcast, talk about Oprah's role in giving Dr. Oz a platform, what he became and if she has any responsibility to speak out.