The 2020 Iowa Democratic caucuses are just over a week away. How is impeachment affecting the presidential campaigns? What are some poll numbers you should be paying attention to? All that and more on this episode of "Where Did You Get This Number?" with Anthony Salvanto!

With CBS News political reporter Caitlin Huey-Burns, Elections Unit senior manager Kabir Khanna, and 2020 campaign reporter Musadiq Bidar.

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Figuring out how the Iowa Caucus system works has never been easy, but with new rules in place this year to help Iowans outside the state participate in these first-in-the-nation Caucuses, it's more complicated than ever. Anthony Salvanto works with CBS News Reporter Adam Brewster (@adam_brew) to demystify the process and explain why 15% is the number to get.

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On this week's episode, Anthony Salvanto goes inside the Fall 2019 edition of the Harvard Youth Poll, exploring the the political perspectives of America's 18- to 29-year-olds as the 2020 presidential election approaches.

With John Della Volpe, Director of Polling at the Harvard Kennedy School Institute of Politics, and Richard Sweeney, a junior undergraduate student at Harvard University.

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