If you are at all dubious about slippery slope arguments in this area, Smith's catalogue of real - life examples will cure your doubts once and for all. (firstthings.com)
I'm not a big fan of slippery slope arguments, and this is borderline, but in what the justice said it boils down to «Will the person who leaves on personal views of religion, also have their points and objections dismissed as not being noteworthy» because they chose to leave during the opening prayer. (religion.blogs.cnn.com)