Judge Andrew Napolitano said there was "very little" new information revealed by Justice Department Inspector General Michael Horowitz in his highly-anticipated report on the FBI's investigation into Hillary Clinton's emails. 

Napolitano said there is no new information about former FBI Director James Comey's actions on the case, calling it "astounding" that the report makes no mention of Comey's decision not to recommend charges against Clinton.

"That decision is not permanent and can be reversed," said Napolitano. 

Comey said on Twitter that he welcomed the IG review, saying he disagrees with some of the findings but "the conclusions are reasonable."

Chaffetz: 'Explosive' IG Report Adds to James Comey's 'Legal Problems'

Sen. Kennedy on Strzok's 'We'll Stop' Trump Text: 'In Louisiana, We Call That Bias'

The Fox News senior judicial analyst acknowledged one new piece of information was a 2016 text exchange between two romantically-involved FBI officials on "stopping" Donald Trump from becoming president.

The report also faulted Comey for being insubordinate to his superiors during the investigation and breaking with FBI norms. 

But Napolitano said he doesn't see that as an issue for Comey. 

"If being insubordinate to Loretta Lynch and Sally Yates is is the worst thing they have on him, he ought to take Mrs. Comey out to the nicest restaurant they can find and celebrate," he explained.

Napolitano emphasized that Special Counsel Robert Mueller fired Peter Strzok and Lisa Page when he learned about the relationship and the text messages. 

"The Mueller investigation will rise or fall on whatever evidence he finds, not on whatever Comey did before Mueller was appointed," Napolitano said on "The Daily Briefing."

Watch his analysis above and Sarah Sanders' comments below.

Trump Jr. on 'Fox & Friends': 'It'd Be Stupid' for POTUS to Testify Before Mueller

Giuliani: Mueller Should Have Enough 'Material' to Conclude His Probe 'Right Now'

Hannity: Rod Rosenstein 'Should Step Aside or Be Fired'