Louisiana Republican Gov. Jeff Landry speaks at his inauguration ceremony at the State Capitol building, Sunday, Jan. 7, 2024. Landry has defended the controversial Ten Commandments law, saying "If you want to respect the rule of law, you've got to start from the original lawgiver, which was Moses." (AP Photo/Matthew Hinton) AP

A new Louisiana requirement that the Ten Commandments be displayed in every public classroom by Jan. 1 was temporarily blocked Tuesday by a federal judge who said the law is “unconstitutional on its face.