Sanders is under increasing pressure to end his campaign.
Gabbard was the last woman standing in the Democratic race for the White House, outlasting U.S. Sens. Elizabeth Warren, Amy Klobuchar, Kirsten Gillibrand and Kamala Harris, as well as author Marianne Williamson.
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Gabbard made headlines earlier this year when she announced a $50 million lawsuit against Hillary Clinton, who she alleges called her a “Russian asset.”
The suit alleges Clinton “lied about her perceived rival” on Oct. 17, 2019, when Clinton was a guest on a podcast titled “Campaign HQ with David Plouffe.”
Clinton said “somebody who is currently in the Democratic primary” is “the favorite of the Russians. They have a bunch of sites and bots and other ways of supporting her so far. And, that’s assuming Jill Stein will give it up, which she might not because she’s also a Russian asset.
“Yeah, she’s a Russian asset.”
Gabbard, a congresswoman from Hawaii, failed to qualify for several of the last Democratic presidential debates.