Bernie Sanders Bernie SandersButtigieg stands in as Pence for Harris's debate practice Bernie Sanders warns of 'nightmare scenario' if Trump refuses election results Harris joins women's voter mobilization event also featuring Pelosi, Gloria Steinem, Jane Fonda MORE on Sunday renewed his call for a "re-examination" of the Electoral College in light of a possible recount in three swing states.

The independent Vermont senator, a 2016 Democratic candidate for president, said on CNN's "State of the Union" that the system deserves another look after Democratic nominee Hillary Clinton Hillary Diane Rodham ClintonButtigieg stands in as Pence for Harris's debate practice Senate GOP sees early Supreme Court vote as political booster shot Poll: 51 percent of voters want to abolish the electoral college MORE won the popular vote by at least 2 million votes.

"We have one candidate who got 2 million more voters than the other candidate, but she is not going to be sworn in as president," he said.

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"I think on the surface that's a little bit weird."

The current system also allows for dozens of states to be ignored during the presidential campaign, he added.

"The second thing that bothers me, as everybody knows, during the campaign, we have states — California, New York and many others — that are traditionally Democrat and a whole lot of other states that are traditionally Republican. The needs and the people of those states are ignored during the political process," Sanders said.

"And then what ends up happening is campaigns are basically about 16, 17 states, battleground states, in this country, and I think that's unfair to the other 30-plus states that would also like to be part of the political process."