Two Republicans challenging President Trump in longshot primary campaigns are split on whether he should be impeached over allegations of soliciting foreign interference in the 2020 election.

Former Rep. Joe Walsh Joe WalshSunday shows preview: Protests continue over shooting of Blake; coronavirus legislation talks remain at impasse Republicans officially renominate Trump for president Tucker Carlson responds to guest correcting pronunciation of Kamala Harris's name: 'So what?' MORE (R-Ill.) said Sunday on CNN's "State of the Union" that Trump's public actions a lone are impeachable, but fellow primary challenger Former Rep. Mark Sanford Mark SanfordOn The Money: Business world braces for blue sweep | Federal Reserve chief to outline plans for inflation, economy | Meadows 'not optimistic' about stalemate on coronavirus deal Trump critic Sanford forms anti-debt advocacy group Republicans officially renominate Trump for president MORE (R-S.C.) said on the same show that such a decision can't be made until the House completes a formal inquiry.

"I would take the vote in terms of an inquiry," Sanford said.

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"As I've said previously, ultimately, I don't know if impeachment is the way to go," he said, adding that maybe censure is the better move. "I want to investigate this."



Walsh responded: "I don't understand that."

"This president deserves to be impeached," he said, adding that he would vote right now to impeach the president.

Walsh said that "there's enough we know now the impeach this president," noting that Trump last week told reporters on the White House lawn that China and Ukraine should investigate former Vice President Joe Biden Joe BidenFormer Pence aide: White House staffers discussed Trump refusing to leave office Progressive group buys domain name of Trump's No. 1 Supreme Court pick Bloomberg rolls out M ad buy to boost Biden in Florida MORE, a leading 2020 Democratic candidate.

"That alone is impeachable," Walsh said. "This is a strong term I'm going to use, Donald trump is a traitor."

Trump is facing an impeachment inquiry in the House amid allegations raised by a whistleblower that he encouraged Ukraine's president to investigate Biden and then placed the transcripts of a call between the leaders on a highly classified server.

A partial transcript of a call released by the White House shows Trump asking Ukrainian President Volodymyr Zelensky to investigate Biden.

Sanford said on Sunday that "there are very troubling charges" that "need to be investigated," but said lawmakers can't jump to conclusions over impeachment before going through the "process."

"I don’t think it's right. ... The question is what do you do about it, which is a more complicated question," Sanford said, noting that most Republicans in office are standing by the president and would likely not vote in favor of impeachment.

Walsh hit back, saying Sanford's assessment is "gobbledygook."

"Is that impeachable Mark? If the president ... uses the power of his office to benefit him politically?" Walsh asked.

"Is it wrong, yes," Sanford responded.

"No, is it impeachable," Walsh pushed back.