Democrats picked up a Senate seat in Arizona for the first time in 30 years in the midterms, but with the Republican party flipping at least three states in Senate races, has the path to victory in 2020 changed? Ben LaBolt, Partner at Bully Pulpit Interactive, and former Press Secretary on President Obama's 2012 re-election campaign, weighs in on what it will take for Democrats to win back the White House in 2020.