One of Donald 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 former advisers, Roger Stone, said in a radio interview on Tuesday that the Republican presidential nominee has run a historically poor campaign in the state of Nevada.

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"Nevada, I think, is problematic," Stone told the Boston Herald radio morning program "Boston Herald Drive." "Frankly, Trump has run one of the worst campaigns in modern political history in the state.”

Trump needs to win other states such as Ohio, North Carolina and Florida in order to get within striking distance of 270 electoral votes. Trump is narrowly leading in the Silver State, 46.2 percent to 43.3 percent, over Democratic nominee Hillary Clinton Hillary Diane Rodham ClintonButtigieg stands in as Pence for Harris's debate practice Senate GOP sees early Supreme Court vote as political booster shot Poll: 51 percent of voters want to abolish the electoral college MORE, according to the RealClearPolitics average of state polling.

President Obama won Nevada's six electoral votes in 2008 and 2012.

"The crew there is really left over from the primary, these old Americans for Prosperity folks," Stone explained on Tuesday in an attempt to underscore Trump's organization on the ground the Nevada. "Nice people just don't argue about politics and actually get elected.

"So I'm disappointed with the campaign there. On the other hand, if we have a tide, even Nevada could sweep for Trump."

Stone was an adviser to the Trump campaign until August 2015 but remains a longtime confidant of Trump.