Poll: Without Biden, Clinton trounces Sanders
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Hillary ClintonHillary Diane Rodham ClintonJoe Biden looks to expand election battleground into Trump country Biden leads Trump by 12 points among Catholic voters: poll The Hill's Campaign Report: Biden goes on offense MORE's lead over Bernie SandersBernie SandersJacobin editor: Primarying Schumer would force him to fight Trump's SCOTUS nominee Trump campaign plays up Biden's skills ahead of Cleveland debate: 'He's actually quite good' Young voters backing Biden by 2:1 margin: poll MORE in the presidential race is growing, a new poll says.

Clinton receives over three times as much support as Sen. Sanders (I-Vt.) when voters aren't given the option of choosing Vice President Biden, according to the Emerson College Polling Society survey.

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The pollster found Clinton receving 68 percent support, compared with 20 percent for Sanders.

No other Democratic White House hopeful registered over double-digit support.

Former Gov. Martin O’Malley (D-Md.) received 2.5 percent, while former Sen. Jim Webb (D-Va.), who is reportedly ending his bid on Tuesday, polled at less than 1 percent. 

Another 2 percent picked “other candidate,” while 6 percent remain undecided.

Biden ranks competitively with Clinton and Sanders across multiple national polls, but Emerson chose to leave him out of their sample, testing support only for the declared Democratic candidates.

The vice president is seriously considering a run for the White House, weighing whether he has the "emotional fuel" for a campaign following the death of his son, Beau Biden, over the summer.

Reports emerged Tuesday that Hallie Biden, Beau Biden’s widow, is "100 percent" behind Joe BidenJoe BidenJoe Biden looks to expand election battleground into Trump country Trump puts Supreme Court fight at center of Ohio rally Special counsel investigating DeVos for potential Hatch Act violation: report MORE should he launch a presidential campaign.

Some Democrats are questioning whether it might be too late for the vice president to jump in.

Clinton may have solidified her status as the Democratic front-runner following her performance in her party’s first presidential debate last week.

Tuesday’s poll found that most respondents oppose Biden making a third Oval Office bid.

Forty-three percent said they hope Biden remains on the sidelines versus 32 percent who want him to enter the race.