Meghan McCain: I voted for McMullin
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Sen. John McCainJohn Sidney McCainJill Biden shuts down Jake Tapper's question about husband's 'occasional gaffe' Crenshaw looms large as Democrats look to flip Texas House seat Analysis: Biden victory, Democratic sweep would bring biggest boost to economy MORE's (R-Ariz.) daughter says she voted for third-party candidate Evan McMullin for president.

Meghan McCain tweeted Thursday that she voted for McMullin, a former House GOP staffer who mounted an independent campaign in opposition to GOP presidential nominee Donald TrumpDonald John TrumpNew Biden campaign ad jabs at Trump's reported 0 income tax payments Ocasio-Cortez: Trump contributed less in taxes 'than waitresses and undocumented immigrants' Third judge orders Postal Service to halt delivery cuts MORE.

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Meghan McCain has been critical of both Trump and Democratic nominee Hillary ClintonHillary Diane Rodham ClintonAppeals court pauses 6-day extension for counting Wisconsin absentee ballots Trump, Pentagon collide over anti-diversity training push Sunday Shows: Trump's court pick dominates MORE throughout the campaign, and had suggested she would vote for a third-party candidate instead.

Her father withdrew his support from Trump last month after a recording surfaced of Trump talking about groping women without their permission.

Instead, John McCain said last month, he might write in the name of his friend Sen. Lindsey GrahamLindsey Olin GrahamGraham neck and neck with challenger in South Carolina Senate race: poll Harris slams Trump's Supreme Court pick as an attempt to 'destroy the Affordable Care Act' Sunday shows preview: Lawmakers prepare for SCOTUS confirmation hearings before election MORE (R-S.C.) for president.  

Weeks into Trump's presidential campaign, in July 2015, he drew widespread criticism for mocking McCain's military service, sarcastically saying: "He's a hero because he was captured? I like people that weren't captured."