HARRISBURG, Pa. (AP) — Doug Mastriano is not the only candidate who won a Republican primary on Tuesday after embracing Donald Trump’s lie that the 2020 election was stolen. But no GOP contender did more to subvert that presidential election -- and no one may be better positioned to subvert the next one -- than Mastriano if he’s elected Pennsylvania’s governor. In one of the most politically competitive states in the U.S., the newly minted Republican nominee for governor was deeply involved in the former president’s efforts to overturn the last election. He was at the U.S. Capitol during the...