From campaign announcements to debate stage friction, MSNBC reviews the year of campaign trail moments among Democratic presidential candidates.Dec. 31, 2019
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'Whatever our differences, we are fellow Americans': The art of the concession speech
03:47
Obama, Pence hold dueling Georgia rallies as runoff election nears
04:57
Full Bedingfield: Biden 'going to make good on ... commitments'
06:04
Biden will announce transition team, Covid task force on Monday
02:17
Trump 'sees a different clock' in the election's conclusion
02:35
Full Romney Interview: Trump should be 'careful' in his next steps