The Center for Responsive Politics has done a great public service in following the campaign financing money in so-called Social Welfare Organizations, otherwise know as 501(c)4 corporations: (corrected URL)



OpenSecrets Blog: Dark Money

I see that link rot has set in for my previous posting on so-called Social Welfare Organizations, which I will also correct. I think this is now the correct link to the article:

Norman Turrill
LWV of Oregon Board Member
former LWVUS Board Member
former LWVUS Agriculture Update Chair
former LWVUS Board Technology Chair
Portland, OR

Money in Campaigns

Don't forget about 501 (c) 6's also.  That's where the Chamber of Commerce and unions belong.