One vote is a foregone conclusion, the other is a toss-up. As the Senate wraps up the impeachment trial of President Donald Trump - an acquittal is expected on Wednesday - voters in Iowa are preparing to cast the first votes of the 2020 cycle. CNN political director David Chalian and CNN senior writer Zach Wolf discuss the intersection of these consequential events. Plus, CNN political reporter Abby Phillip calls in from Des Moines, where she's been following the Buttigieg campaign, to describe the last-minute efforts to impress voters.

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