Pennsylvania’s Attorney General Josh Shapiro is set to formally announce his run for governor on Wednesday at an event in Pittsburgh, a campaign spokesman has confirmed. Campaign communications director Will Simons confirmed to several news outlets on Monday that Shapiro, 48, will be entering the 2022 race months after expressing interest in running for the position. Shapiro, a Montgomery County Democrat, was sworn in as attorney general in January 2017, winning election with no law enforcement background and little practical courtroom experience. He was re-elected to a second term in November 2020. Before holding that position, he served as a state representative and chair of the county’s commissioners board. A self-described progressive, he led a nationally prominent investigation in 2018 into sexual abuse of children by clergy in six of the state’s Roman Catholic dioceses. If Shapiro gets the Democratic nomination, it’s far from clear whom he would face in …