Secondly, If you are going to invoke the first amendment you must agree to the entire first amendment.
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.
You did read the first part of the amendment right? No law respecting an establishment of religion... Well what would you call same sex marriage laws, but a law respecting the belief system of christianity...
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