Jon Huntsman: 'I have concerns' about Trump

Former GOP presidential candidate Jon Huntsman still has reservations about presumptive Republican presidential nominee Donald TrumpDonald John TrumpLincoln Project ad dubs Jared Kushner the 'Secretary of Failure' Pence: Chief Justice Roberts 'has been a disappointment to conservatives' Twitter bans Trump campaign until it deletes tweet with COVID-19 misinformation MORE but will support him, he said in an interview aired Sunday. 

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Huntsman, a former Utah governor, said he would support the "party's nominee" and hopes he will grow throughout the campaign. 

"Certainly, I have concerns about some of the things he's said and his stylistic approach, but then I say OK, he has a unique opportunity to bring together constituents under the Republican banner that really have never joined before," he said during an interview with radio host John Catsimatidis. 

"The campaign is just ramping up, and he has a long way to go, and I believe the candidates grow and develop during the course of a yearlong campaign and voters are able to see them for what they are and then make an informed decision."

Huntsman himself ran for president in 2012, losing the Republican nomination to Mitt Romney.