I'm pulling this over from THR & pasting here (with a few mods), as no one addressed the most fundamental question.
What Does the US Constitution Say About It?Amendment I
Congress shall make no law respecting an establishment of religion, or prohibiting the free exercise thereof; or abridging the freedom of speech, or of the press; or the right of the people peaceably to assemble, and to petition the Government for a redress of grievances.
Article VI, Paragraph Three
The Senators and Representatives before mentioned, and the Members of the several State Legislatures, and all executive and judicial Officers, both of the United States and of the several States, shall be bound by Oath or Affirmation, to support this Constitution; but no religious Test shall ever be required as a Qualification to any Office or public Trust under the United States.
Amendment X
The powers not delegated to the United States by the Constitution, nor prohibited by it to the States, are reserved to the States respectively, or to the people.
For folks who claim to read, know, and respect the US Constitution as written, I see an awful lot of horse manure being thrown about. Also, the ignorance of the history and circumstances of the time is impressive and Brady-esque.
See, the pertinent part of Amendment I is:
Congress shall make no law respecting an establishment of religion, or prohibiting the free exercise thereof;This says nothing about a "wall of separation," neutrality, irreligion, hostility to religion, mandatory endorsement of religion, or an even hand with regard to religions. It simply states that Congress will not pass a law making any religion the national religion (as they had in many european countries at the time) and that the US Congress can't tell you what to worship. Also (from Article VI), you don't have to be a particular religion to hold an office at the federal level.
However, this allows for the individual States to do so, as several did at the time of ratification of the US Constitution.
So, if the state of Kentucky wants to wallpaper its courtroom with copies of the Ten Commandments, require holders of state offices to be deacons in the Catholic Church, and make Catholicism the Kentucky State Religion; that is the business of the State of Kentucky, the Kentucky Constitution, Kentucky's voters, and their elected representatives. The SCOTUS has no leg to stand on to make any ruling becasue the US Constitution has not granted fed.gov the authority to act in such a case.
Also, Amendment I precludes an establishment of religion but does not preclude other legislation which has an effect on or acknowledges religion. Examples close to home are religious establishments' tax exemptions and immunizations of poor children in private religious schools. Examples more contemporaneous to the founding fathers have been given.
If we want fed.gov to have the power to act in such cases, we have an amendment process. This is the same answer I would give to the anti-gunners who don't like what Amendment II says.
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In the recent SCOTUS cases, I had hoped that both Kentucky and Texas would come out on top, not because I want the Ten Commandments plastered on the walls of courthouses and in their restrooms above the urinals, but because I wanted to be pleasantly surprised that the SCOTUS would stay within the bounds of the US Constitution.
With Raich, Kelso, and now the Kentucky ruling, this has been a bad year for those who take the US Constitution at its word.
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All or nothing suits me and the Constitution.
It might suit you, but it does not necessarily suit the US Constitution. Refer to Amendments I & X.
The issue is government preference. Let me turn this around on you. Why shouldn't Wiccans be allowed to put their Rede next to the 10 Commandments? Or any other religions do the same. Gimme a solid excuse.
Amendment I does not say the fed.gov can not have a preference or has to treat all religions with an even hand. It says Congress can't establish a national church. The individual States can do so, however (with reference to the restrictions of their constitutions and wishes of their representatives and citizens). See Amendment X.
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If you want the US Congress to have even less...congress...with things religious, write your US Congresscritters and encourage such legislation. If you want more such prohibitions written into the US Constitution, write your US Congresscritters and write your reps in your state legislature to work on passing such an amendment to the US Constitution.
If you want your individual state to have fewer dealings with religion, write your state reps & beauracrtitters.