Face the Nation with Margaret Brennan

7/21: Mike Pence, Liz Cheney, Adam Schiff, Cory Booker (2019x28)

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This week on "Face the Nation," Margaret Brennan talks to GOP Conference Chairwoman Rep. Liz Cheney, Intelligence Committee Chairman Rep. Adam Schiff and 2020 hopeful Sen. Cory Booker. Plus, a new CBS News Battleground Tracker.