Pennsylvania Republicans tried to stop Doug Mastriano. But first they followed him
Doug Mastriano celebrates his victory in the Republican primary for governor on Tuesday, May 17, 2022, in Chambersburg, Pennsylvania. - STEVEN M. FALK/The Philadelphia Inquirer/TNS

Doug Mastriano first burst onto the national scene on Nov. 25, 2020, when he led a hearing in Gettysburg during which aggrieved Republican voters, Rudy Giuliani, and former President Donald Trump himself aired baseless allegations of fraud in the presidential election. But Mastriano, a GOP state senator from Franklin County, couldn’t have pulled that off by himself: A colleague, State Sen. Dave Argall, let Mastriano use the panel he chaired to host the hearing. It was a harbinger of things to come. For weeks leading up to Mastriano’s victory Tuesday in the Republican primary for Pennsylvania g...