Former president Trump’s campaign quietly commissioned a second firm to study election fraud claims in the weeks after the 2020 election, and the founder of the firm was recently questioned by the Justice Department about his work disproving the claims.Ken Block, founder of the firm Simpatico Software Systems, studied more than a dozen voter fraud theories and allegations for Trump’s campaign in late 2020 and found they were “all false,” he said in an interview with The Washington Post.“No substantive voter fraud was uncovered in my investigations looking for it, nor was I able to confirm any of the outside...