Atlanta pastor Louie Giglio’s short-lived stint as one of two people chosen to pray at President Obama’s upcoming inauguration has opened debate about who could step in and offer the benediction. Various groups have offered their suggestions, from GLAAD to Huffington Post to ThinkProgress, which unearthed the damning mid-1990s sermon against homosexuality that prompted Giglio to withdraw. (ThinkProgress’ list is especially interesting)