WATCH: Joe Biden tells Stephen Colbert he's not ruling out a 2020 run just yet

"To say you know what's going to happen in four years I think is just not rational," the vice president said

Published December 7, 2016 1:37PM (EST)

Vice President Joe Biden on Tuesday guested on Stephen Colbert's "Late Show."

"It was disappointing, to state the obvious," Biden said of Hillary Clinton's electoral defeat last month. "But there were signs toward the end that this was going to be a lot closer than we thought."

"Hillary did get 2.5 million more votes," he added, sparking applause. "But ... we have an electoral system, we're a republic and that's the way it works. I did a total of 84 campaign events for her and, toward the end, you could feel there was a change. ... There was hardly any discussion about any issues in this campaign."

Biden blamed "the media" for fixating on Hillary's opponent, President-elect Donald Trump, for his near-daily circus-like rallies, instead of a Democratic platform that sold working class voters down the river — no minimum wage increase, no opposition to cuts in workers' pensions, support for TPP.

"There was no discussion of the things that the election was supposed to be about — a referendum on ideas about what we're gonna do about education or jobs or foreign policy," he said. "I campaigned [in] that time that the concern was wether there's gonna be enough turnout among millennials and there was concern whether the states that turned out very closely but went the other way."

Asked if he's looking to run in 2020, Biden said: "I don't plan on running again, but to say you know what's going to happen in four years I think is just not rational. ... I can't see the circumstance in which I'd run, but what I learned a long, long time ago, Stephen, is to never say never."

By Brendan Gauthier

Brendan Gauthier is a freelance writer.

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Donald Trump Elections 2020 Hillary Clinton Joe Biden Late Show Stephen Colbert