From Christian Science Monitor

A federal judge in Wisconsin declared Thursday that the US law authorizing a National Day of Prayer is unconstitutional.
US District Judge Barbara Crabb said the federal statute violates the First Amendment’s prohibition on government endorsement of religion.
She issued a 66-page decision and enjoined President Obama from issuing an executive order calling for the celebration of a National Day of Prayer.
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It's about damn time. This has been an unconstitutional waste of taxpayer money, and opportunity for self-important religious "leaders" (Say what? Oxymoron?) to strut their self-importance for way too long.