Meghan McCain on Monday defended her father, Sen. John McCain (R-Ariz.), after a Twitter user criticized him for his previous position on making Martin Luther King Jr.'s birthday a federal holiday.

"Hey Meghan, remember when your dad voted against making # MLKDay a holiday?" the Twitter user wrote.

"We all live with regrets and my father points to this and his stance on the confederate flag in 2000 as 2 of them," McCain, a cohost of "The View," tweeted in response, adding that she is "still intensely proud of him."

We all live with regrets and my father points to this and his stance on the confederate flag in 2000 as 2 of them. We have been talking a lot about this life these days... I am still intensely proud of him and his legacy. I am sad, on MLK day, that this account would tweet me. https://t.co/vWO7bxzmfp — Meghan McCain (@MeghanMcCain) January 15, 2018

John McCain John Sidney McCainMcSally says current Senate should vote on Trump nominee Say what you will about the presidential candidates, as long as it isn't 'They're too old' The electoral reality that the media ignores MORE was among those who criticized President Trump Donald John TrumpObama calls on Senate not to fill Ginsburg's vacancy until after election Planned Parenthood: 'The fate of our rights' depends on Ginsburg replacement Progressive group to spend M in ad campaign on Supreme Court vacancy MORE last week after he reportedly referred to some nations as "shithole countries," sparking widespread backlash.

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“Respect for the God-given dignity of every human being, no matter their race, ethnicity or other circumstances of their birth, is the essence of American patriotism," the Arizona senator, who has been diagnosed with brain cancer, said in a statement.