<p>They are two of America's free, unregulated voices of political activism but a gathering storm of Washington regulation threatens to stifle them forever.</p>
<p>Grass-roots activists and Internet bloggers, who largely escaped the restrictions of the 2002 McCain-Feingold campaign finance reform act, are the targets of a looming, two-pronged government assault which aims to lasso and corral the last wild mustangs on the political range.</p>