Blog Sister Byrne: This Battle Is Not Between Republicans and Democrats, But Between the 'Devil and Our Lord' By Michael W. Chapman | May 5, 2021 | 10:57am EDT Sister Deirdre Byrne. (Screenshot) Sister Deirdre Byrne, a surgeon and retired Army colonel who spoke at the 2020 Republican National Convention, said the ongoing political and cultural conflicts in the United States are not at root "between Republicans and Democrats" but "between the Devil, who is real, and Our Lord." "This battle we face is not a battle between Republicans and the Democrats, it’s not conservatives or liberals, or left versus right,” said Byrne on Apr. 30. “This is a battle between the Devil, who is real, and Our Lord.”