Sen. 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 (I-Vt.) said on Saturday that President Trump Donald John TrumpOmar fires back at Trump over rally remarks: 'This is my country' Pelosi: Trump hurrying to fill SCOTUS seat so he can repeal ObamaCare Trump mocks Biden appearance, mask use ahead of first debate MORE's call for removing the Senate filibuster should make people "a little bit nervous."

“Donald Trump supports the ending of the filibuster. So you should be a little bit nervous if Donald Trump supports it,” he told HuffPost in an interview published Monday.

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Sanders has frequently called for filibuster reform but has also said he is "not crazy" about nixing it, despite calls from some progressives to get rid of the 60-vote hurdle.