ProPublica is a nonprofit newsroom that investigates abuses of power. Sign up to receive as soon as they’re published.At 7:47 a.m. on the Sunday of Memorial Day weekend, Dr. Jay Butler pounded out a grim email to colleagues at the Centers for Disease Control and Prevention in Atlanta.Butler, then the head of the agency’s coronavirus response, and his team had been trying to craft guidance to help Americans return safely to worship amid worries that two of its greatest comforts — the chanting of prayers and singing of hymns — could launch a deadly virus into the air with each breath.The week...…ProPublica is a nonprofit newsroom that investigates abuses of power. Sign up to receive as soon as they’re published.At 7:47 a.m. on the Sunday of Memorial Day weekend, Dr. Jay Butler pounded out a grim email to colleagues at the Centers for Disease Control and Prevention in Atlanta.Butler, then the head of the agency’s coronavirus response, and his team had been trying to craft guidance to help Americans return safely to worship amid worries that two of its greatest comforts — the chanting of prayers and singing of hymns — could launch a deadly virus into the air with each breath.The week...WW…