Graham vows to publicly question whistleblowers if Trump is impeached

Sen. Lindsey GrahamLindsey Olin GrahamZuckerberg launches public defense of Facebook as attacks mount Graham: 'Stupid' for Trump to ask China to investigate Biden Turkey sanctions face possible wall in GOP Senate MORE (R-S.C.) promised to question the whistleblowers publicly if President TrumpDonald John TrumpZuckerberg launches public defense of Facebook as attacks mount Trump leaning toward keeping a couple hundred troops in eastern Syria: report Warren says making Israel aid conditional on settlement building is 'on the table' MORE ends up being impeached.

Graham said on Fox News' "Sunday Morning Futures" that if the president is impeached, he intends to have the whistleblowers testify in the Senate if they don't go before the House. 

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"If the whistleblowers' allegations are turned into an impeachment article, it's imperative that the whistle-blower be interviewed in public, under oath and cross-examined. Nobody in America goes to jail or has anything done to them without confronting their accuser," he told host Maria BartiromoMaria Sara BartiromoTrump says Fox News 'doesn't deliver for US anymore' after poll shows rising impeachment support Graham vows to publicly question whistleblowers if Trump is impeached Giuliani can't say 100 percent Trump didn't threaten Ukraine aid MORE.

The South Carolina senator said the whistleblowers need to come forward so the "public can judge their credibility."

The House opened the impeachment inquiry after reports emerged of a call in which Trump asked the Ukrainian president to investigate former Vice President Joe BidenJoe BidenZuckerberg launches public defense of Facebook as attacks mount Graham: 'Stupid' for Trump to ask China to investigate Biden Romney: Republicans don't criticize Trump because they fear it will help Warren MORE following Trump's decision to withhold military aid from the country. 

A whistleblower report on the call thrust the conversation into the spotlight, and the White House released a partial readout of the call. A second whistleblower, who reportedly has firsthand knowledge of the events, has also talked to the intelligence community's inspector general.

Graham compared the whistleblower accusations to "unverifiable" allegations of sexual assault against Supreme Court Justice Brett KavanaughBrett Michael KavanaughOn The Money: Supreme Court takes up challenge to CFPB | Warren's surge brings scrutiny to wealth tax | Senators eye curbs on Trump emergency powers Supreme Court agrees to hear challenge to consumer agency First-generation American launches Senate campaign against Booker MORE last year. 

"This is Kavanaugh all over again," he said.