Like so many others, he couldn’t completely do the right thing. The Washington Post reports: Nearly a year after the 2020 election, Arizona’s then-attorney general Mark Brnovich launched an investigation into voting in the state’s largest county that quickly consumed more than 10,000 hours of his staff’s time. Investigators prepared a report in March 2022 stating that virtually all claims of error and malfeasance were unfounded, according to internal documents reviewed by The Washington Post. Brnovich, a Republican, kept it private. In April, the attorney general — who was running in the GOP primary for a U.S. Senate seat —released an “Interim Report” claiming that his office had discovered “serious vulnerabilities.” He left out edits from his own investigators refuting his assertions. His office then compiled an “Election Review Summary” in September that systematically refuted accusations of widespread fraud and made clear that none of the complaining parties — from state lawmakers to self-styled “election integrity” groups — had presented any evidence to support their claims. Brnovich left office last month without releasing the summary. That timeline emerges from documents released to The Post this week by Brnovich’s successor, Kris Mayes, a Democrat. She said she considered the taxpayer-funded investigation closed and, earlier this month, notified leaders on Maricopa County’s governing board that they were no longer in the state’s crosshairs. The records show how Brnovich used his office to further claims about voting in Maricopa County that his own staff considered inaccurate. They suggest that his administration privately disregarded fact-checks…