Donald Trump Donald John TrumpBubba Wallace to be driver of Michael Jordan, Denny Hamlin NASCAR team Graham: GOP will confirm Trump's Supreme Court nominee before the election Southwest Airlines, unions call for six-month extension of government aid MORE declined to say on Monday whether he believes President Obama was born in the United States.

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"I don't talk about it," the GOP presidential nominee told reporters, according to NBC News.

Trump, once the leader of the so-called 'Birther' movement, has shied away from discussing Obama's birth certificate this presidential cycle, saying he doesn't want to give the media material to use against him.

Birtherism is an especially fraught subject now that Trump is trying to court African-American voters, who turned out in droves to elect Barack Obama Barack Hussein ObamaTwitter investigating automated image previews over apparent algorithmic bias Donald Trump delivers promise for less interventions in foreign policy Rush Limbaugh encourages Senate to skip hearings for Trump's SCOTUS nominee MORE twice. Trump spent Saturday in predominantly black neighborhoods in Detroit, and he's been trying to change perceptions among some voters that he's racist.

Some black voters view Trump's Birther rhetoric as a racist attempt to delegitimize the first African-American president.

While Trump no longer discusses Obama's birthplace, he has still never apologized for his Birther campaign or said that he believes that the birth certificate Obama finally produced is legitimate.