California memorial cross found unconstitutional
on your dollar bill, it used to say "E Pluribus, Unum" -- out of many, one. we are not one as long as god is involved. or god/s. would you like your money to proclaim "in Zeus we trust"? it's the absolute same thing.
the bible is studied in school for its historicity, and prayer can be said silently at any time anyone wishes. just don't make me have to listen to it. to paraphrase Mr. Darcy in Pride & Prejudice -- you may think of it, but not aloud.
don't confuse religion with science. science comes from the Latin "scienter" -- to know. religion comes from the Latin "re-lig" -- to rebind together. the former creates individuals; the latter, sheeple.