GLENN’S USA TODAY COLUMN: We need a Robert Mueller resignation or a second special counsel.

Despite a clear requirement that Mueller be “disqualified” from this investigation, his dismissal by either Trump or Sessions on the heels of the president’s firing of Comey would create a political firestorm that the president — even if entirely innocent of any wrongdoing whatsoever—might be unable to survive.

And Mueller can’t fix things by simply recusing himself from the “obstruction” investigation, while delegating it to a subordinate. Perhaps unwisely, he has chosen lawyers who records show have contributed substantially to Democratic campaigns. Indeed, two have given the maximum $2,700 donation to Hillary Clinton last year, while another worked for the Clinton Foundation. No one could accept them as impartial towards the man who defeated her.

So if he cares about the rules, Mueller needs to resign.

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