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The show's hosts later addressed the issue.
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"We need to apologize," said co-host Steve Doocy. "At the beginning of Ainsley's interview with the professor, a technical error in the control room triggered a graphic of Ruth Bader Ginsburg with a date on it. We don't want to make it seem anything other than that was a mistake. That was an accident. We believe she is still at home recovering from surgery."
Earhardt echoed the sentiment, saying, “We apologize. Big mistake.”
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In a statement, Fox News told USA Today that the incident was "a technical error that emanated from the graphics team."
Ginsburg, 85, had cancer surgery in December and has missed some court arguments as she recovers at home, The Associated Press reported Jan. 11.
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