In eight years of writing about politics, nothing gets people angrier than when I try to make the case that most activists and most journalists practice politics differently, have different worldviews, and are both forces for good in the democracy. 3....2.... It is easy and comfortable to assume that because you've discovered the presence of Astroturf activism, there is no there there, or there is nothing that sustains or nourishes the Astroturfing. The point is not to question whether conservatives are artificially magnifying their voices -- yes of course they are, predictably and not in secret -- it's that real...