Libertarian presidential nominee Gary JohnsonGary Earl JohnsonPotential GOP primary challenger: Trump's 'contempt for the American people' behind possible bid The Hill's 12:30 Report — Presented by Kidney Care Partners — Trump escalates border fight with emergency declaration Former Mass. governor takes step toward Trump primary challenge MORE on Tuesday dismissed Bernie SandersBernard (Bernie) SandersWarren calls for abolishing Electoral College Biden weighing an early announcement of running mate: report Poll: Biden leads among millennial voters MORE's endorsement of Hillary ClintonHillary Diane Rodham ClintonOvernight Health Care: CDC pushes for expanding HIV testing, treatment | Dem group launches ads attacking Trump on Medicare, Medicaid cuts | Hospitals, insurers spar over surprise bills | O'Rourke under pressure from left on Medicare for all O'Rourke faces sharp backlash from left Dem strategist says South Carolina will be first 'real test' for O'Rourke MORE while calling on Sanders supporters to back him.
 
"If you're still 'feeling the Bern' — and feeling burned, because the Clinton machine rolled over your ideals — there is another option," Johnson says in a video message posted to Facebook.
 
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"The Libertarian Party nominee will be on the ballot in all 50 states," Johnson said. "Don't let your voice go unheard. We can still fight for a future to believe in."
 
Pew Research Center survey released last week found Johnson with 11 percent support, behind Clinton, at 45 percent, and Trump, at 36 percent. Other national polls since then have found his support ranging between 5 percent and 9 percent.
 
Candidates are competing to recruit Sanders's supporters following his exit from the race Tuesday, which he announced during a joint campaign appearance with Clinton in New Hampshire where he endorsed her.
 
Donald TrumpDonald John TrumpWarren: 'White supremacists pose a threat to the United States like any other terrorist group' National Enquirer paid 0,000 for Bezos texts: report Santorum: Trump should 'send emails to a therapist' instead of tweeting MORE, the presumptive Republican presidential nominee, accused Sanders of having "abandoned his supporters," mentioning several issues Sanders criticized Clinton on in the primary, including her vote for the Iraq War and ties to Wall Street.
"Unlike Hillary Clinton, I never supported bombing Libya, I never supported the Iraq War, I've always stood up for drug policy and criminal justice reform," Johnson said in his video.
 
A major hurdle Johnson faces against Trump and Clinton is simply gaining name recognition going up against a celebrity businessman and former secretary of State.
 
His plea to Sanders supporters in concluding his video: "Please Google Gary Johnson."