Political term of the day: Astroturfing
A grassroots political movement is one that  originates outside of established political parties, lobbyists, consulting  firms, media outlets, large corporations, and major advocacy groups. An  astroturf movement is designed to look like a grassroots movement, but is in  fact the product of one of the above-mentioned groups. As usual, wikipedia has a  good article on the  subject.
 According to this article, James  Dobson's Focus on the Family (I decline to link, for fear of generating a bunch  of wingnut ads on my blog) is spewing a bunch of astroturf opposition to  marriage for same-sex partners. With Google and other 'net tools, astroturfing  is easier to catch, but the same technology also makes it easier to accomplish.  Because of this, you often can't take letters to the editor at face value,  especially on highly controversial issues of national importance. 
  
 
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To be or not to be. My fellow Americans, we have a historic choice before us. We can be paralyzed with inaction, giving in to the forces of fear and negativity, or we rise, as this great nation has always risen, to withstand the slings and arrows of those who hate freedom and our way of life...