Constitutionality of National Day of Prayer?

Examples?

Well, you have the, uh, topic we're originally supposed to be posting about, v.s. something nobody knows about.
It's entirely possible that, at the moment, they're arranging the deaths of everyone in america, and this is a beautiful distraction. Of course, that's one stupidly huge exaggeration, but in all reality, it could very well be happening.