The Ten Commandments must now be displayed in all Louisiana’s public school classrooms. The law, signed by Republican Governor Jeff Landry, requires poster-sized copies with easily readable text. Why is this happening? Is it unprecedented? Actually, it echoes the 1970s global religious revival. Threatened by liberal modernity, conservatives worldwide leveraged new technologies and defensively mobilised to institutionalise piety. In this podcast, I draw on my comparative research to highlight parallel trends in Uzbekistan, Kyrygzstan, Egypt, Saudi Arabia, Indonesia, Malaysia and the U.S.