Despite state Democrats’ attempt to dissuade efforts to investigate the state’s two most recent elections, the GOP lawmaker who’s leading the proposed review isn’t giving up. He’s doubling down. “A full forensic investigation is necessary for the sake of transparency and accountability,” Sen. Doug Mastriano, R-Franklin, wrote in a letter he said was sent Tuesday to President Joe Biden. “Those who have concerns about the integrity of the election will have those concerns investigated and hopefully addressed. Those who think that there was zero voter fraud, no irregularities and that the elections were conducted perfectly will have the chance to...