More than half the outside spending in Pennsylvania's Senate GOP primary was funneled through two super PACs and a nondisclosing nonprofit, meaning the source of the funds may never be known to the public.
Super PAC spending has taken a hard turn for the right -- conservative super PACs have now spent $100 million more than their liberal counterparts. But who is funding super PACs? It turns out several of the top super PACs have devel... Read Post
OpenSecrets Blog has an exclusive look at the funders of conservative lawyer Jim Bopp's USA Super PAC, which spent heavily to elect Richard Mourdock in Indiana's hard-fought GOP Senate primary. Read Post