Sen. Hirono: I'd like to see a fair trial, and that means witnesses and documents

06:01

Senator Mazie Hirono joins Andrea Mitchell to discuss the upcoming Senate impeachment trial and the state of the 2020 Democratic race. She downplays any divisions in the Democratic field, saying that at the end of the day, Democrats 'will all come together because we know who we really need to focus on. That is Donald Trump.'