"Did you examine the Bidens during the negotiations?" CNN's Jim Sciutto asked Navarro at the CITIZEN by CNN conference in New York.
"I do not think that's an appropriate question, OK," Navarro replied.
"It's easy for you to say no," Sciutto said, to which Navarro replied, "But you ask me to violate a principle here."
"I will not talk about this stuff, if I answer that question you will ask me another question," he added.
The question came up when President Donald Trump was facing an impeachment investigation on whether in July he put pressure on the President of Ukraine to investigate the former Vice President and his son Hunter Biden in exchange for millions of military aid to the country.
The White House report on the June call with Xi was later stored in the high-security electronic system, in which a now infamous phone call was made to the Ukrainian president, causing a whistleblower complaint that led to the impeachment investigation.
" The Americans deserve the truth about whether he is putting more foreign leaders under pressure to provide political assistance, "Harris wrote in the tweet.
On several occasions, the president has hinted that the Biden's millions of Have received dollars from China, implying that they have benefited from the political power and ties of the then vice-president, in part due to an official trip that both Biden made to China in 2013 and which was intended as a diplomatic mission, In an effort to ease tensions in the region, one company on whose board Hunter Biden sat received a large investment in Chinese capital shortly after the trip, and as of May 2019, both the New York Times and the Washington Post reported that Hunter was not spending money had received his role as an unpaid member of the Advisory Council.
There is no movement This is because the former vice president has been receiving money from China, and earlier this month, a lawyer from Hunter Biden told the Washington Post that he did not receive any "compensation" or compensation from this investment or his position on the board.
Kylie Atwood of CNN, Kevin Liptak, Pamela Brown, Jim Sciutto, and Gloria Borger contributed to this report.