Even as Notre Dame Cathedral was burning, pundits such as Ben Shapiro and Katie Hopkins began to mourn it as a “monument to Western civilization … built on the Judeo-Christian heritage” — describing the fire as symbolic of a “Judeo-Christian annihilation.” The president of Poland immediately called for rebuilding the cathedral as a symbolic reconstruction of Europe on its “real, historical, Judeo-Christian foundation.” As critics responded, the debate heated up, leading to both religious and historical confusion. So what is the “Judeo-Christian tradition”?