Former Obama adviser David Plouffe speaks to the division within the Democratic Party and why Democratic primary candidates Bernie Sanders and Joe Biden add to that divide. "Having worked in Washington both on Capitol Hill and in the executive branch, I sadly have the view that neither approach is likely to produce a lot of historical legislation," he admitted on "Salon Talks."

Plouffe, who managed President Barack Obama's presidential campaigns, emphasized that the singular goal of the 2020 Democratic nominee must be defeating President Donald Trump. "They will have provided a historic service by getting the menace out of the White House," he said.

Watch the full episode to hear more from Plouffe on how regular voters can help defeat President Trump in 2020, which he details in his new book, "A Citizen's Guide to Beating Donald Trump," available now.

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