'…
Former acting Attorney General Rod Rosenstein, who signed off on the third application to renew the FISA warrant to spy on Page, last week became the first witness to testify to the committee as part of the probe. Rosenstein told the committee that in retrospect, he would not have approved the warrant had he been aware then of the unreliability of the underlying evidence.
“Anybody who knew about the problems with the dossier and continued to use it are good candidates to go to jail,” Graham said Monday.
The Judiciary Committee chairman also said he would allow Mueller to testify after Democrats urged him to call the former special counsel as a witness.
“Once we find out that the Mueller investigation was run by people who hated Trump’s guts, dripping with partisanship, nobody seems to care,” Graham said.
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The committee’s Democratic ranking member, Dianne Feinstein, accused Graham of attempting to “grant himself unilateral subpoena authority” without the approval of a single Democrat and said the GOP’s investigation is politically motivated.
“Unfortunately, it appears that Senate Republicans now plan to spend the next several months bolstering the president’s attack on the Russia investigation and his Democratic nominee, Democrat Joe Biden. Congress should not conduct politically motivated investigations designed to attack or help any presidential candidate,” Feinstein said.'
https://www.nationalreview.com/news/graham-secures-subpoena-power-in-russia-investigation/