Few people in 2020 came under more heat than Anders Tegnell, Sweden’s top epidemiologist.But the man who forged Sweden’s laissez-faire approach to COVID-19 early in the pandemic says new international data reveal a hard truth about government lockdowns.“I think people will probably think very carefully about these total shutdowns, how good they really were,” Tegnell told Reuters in a recent interview. “They may have had an effect in the short term, but when you look at it throughout the pandemic, you become more and more doubtful.”Tegnell was referring to data published by Reuters that show Sweden, which shunned the strict...