With 2020 now here, Democratic presidential candidates will be ramping up their pitches to voters, but some candidates could be pulled away from the campaign trail to serve as jurors in the Senate impeachment trial. New Jersey Senator Cory Booker told CBS News he'll "deal with whatever the circumstances are" when it comes to campaigning. CBS News campaign reporter Adam Brewster joined CBSN from Creston, Iowa, to discuss.

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