President Trump Donald John TrumpBiden on Trump's refusal to commit to peaceful transfer of power: 'What country are we in?' Romney: 'Unthinkable and unacceptable' to not commit to peaceful transition of power Two Louisville police officers shot amid Breonna Taylor grand jury protests MORE has privately asked aides about his vice president Mike Pence Michael (Mike) Richard PenceThe Hill's 12:30 Report: Ginsburg lies in repose Buttigieg stands in as Pence for Harris's debate practice Trump argues full Supreme Court needed to settle potential election disputes MORE's loyalty, The New York Times reported Friday.

Trump reportedly questioned Pence's allegiance so many times that many of his advisers are alarmed, as those kinds of inquiries tend to indicate that he is irritated with someone.

According to the Times, most people within the White House have been supportive of Pence when asked, but some of Trump's outside advisers have suggested that the vice president may have used up his utility.

Trump has reportedly not made it clear whether he is seriously considering a 2020 ticket change or whether he is simply trying to get advisers' opinions before the campaign begins.

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The Times noted that some outside advisers have suggested outgoing United States Ambassador to the United Nations Nikki Haley Nimrata (Nikki) Haley'The soul' versus 'law and order' Author Ryan Girdusky: RNC worked best when highlighting 'regular people' as opposed to 'standard Republicans' GOP lobbyists pleasantly surprised by Republican convention MORE as a potential replacement for Pence. Trump praised Haley when she announced her intentions to leave her post at the U.N. in October.

At a press conference earlier this month, Trump asked Pence to be his 2020 running mate in an impromptu exchange.

"Well I haven’t asked him, but I hope so," Trump said.

"Mike, will you be my running mate?" he added, calling on Pence to stand up.

The vice president nodded his head in affirmation as some White House staff in the room applauded.

It is not clear if this was an official announcement that the two would run together again.

Deputy press secretary Hogan Gidley told the Hill that Trump “absolutely supports the vice president and thinks he’s doing an incredible job helping to carry out the mission and policies of this administration.”