Will big money spent on TV ads pay off for 2016 candidates?

Aired: 1/7/2016 | 0:08:52 | Clip
Political advertising could break records in 2016: some experts estimate Americans will see $4.4 billion spent on TV ads. But will all that spending pay off for presidential candidates trying to rise in the polls? Political director Lisa Desjardins offers a look at some of their strategies and Gwen Ifill learns more from Matea Gold of The Washington Post.

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