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Retiring Sen. Harry Reid (D-NV) is calling for FBI Director James Comey to be investigated for allegedly sitting on information about Russia’s suspected interference in the 2016 election.

Reid argued that Comey let the country down for partisan purposes, calling him the "new J. Edgar Hoover."

Judge Andrew Napolitano agrees that Comey should be investigated, but he believes the investigation should be focused on the bureau's handling of the Hillary Clinton email probe.

On "America's Newsroom" today, Judge Napolitano explained that there are still so many unanswered questions about the Clinton investigation.

"How did the Phoenix Airport tarmac meeting between [Attorney General] Loretta Lynch and Bill Clinton come about? ... Why was no grand jury impaneled in the investigation of Mrs. Clinton? Why were no subpoenas issued or search warrants executed? Why did the Justice Department give promises not to prosecute certain of Mrs. Clinton's inner circle?" Judge Napolitano said.

He added that there also serious questions about why Comey announced that the FBI was renewing its probe of Clinton just two weeks before the election, only to close it for a second time a week later.

"He has no obligation to give Congress a snapshot of a criminal investigation, an incomplete criminal investigation," Judge Napolitano said. "Revealing it will almost always get you in trouble. He's in trouble now."

He said that if President-elect Donald Trump wants a serious investigation of Comey, he'll have his attorney general appoint an independent counsel with subpoena power and a grand jury sitting in the wings.

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