Sanders warns of Trump presidency in get out the vote push
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Sen. Bernie SandersBernie SandersJimmy Carter: 'I hope there's an age limit' on presidency 2020 candidates keep fitness on track while on the trail Mark Mellman: The most important moment in history? MORE is making a plea for voters to head to the polls to prevent a Donald TrumpDonald John TrumpJimmy Carter: 'I hope there's an age limit' on presidency White House fires DHS general counsel: report Trump to cap California trip with visit to the border MORE presidency.

"If you sit this election out and Trump wins by a few votes," the Vermont senator tweeted Saturday, "many people are going to be dealing with that reality for their entire lives."

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The Vermont senator has been campaigning for Hillary ClintonHillary Diane Rodham ClintonGOP struggles with retirement wave Overnight Energy: Trump to revoke California's tailpipe waiver | Democrats propose bill to revoke Trump endangered species rollback | Trump officials finalize rule allowing fewer inspectors at pork plants Mark Mellman: The most important moment in history? MORE in recent months in an attempt to rally voters behind the Democratic nominee's campaign.

The race has been tightening in recent days with the election just days away.

According to the RealClearPolitics average of polls, Clinton has a 2.2-point lead over her Republican rival, 44.9 to 42.7 percent.

FiveThirtyEight's polls-plus forecast predicts Clinton has a 64.8 percent chance of winning the White House.

The major party nominees are making their final pitches to voters, urging their supporters to get out and vote.