The late Howard Phillips, Chairman of The Conservative Caucus for many years, used to say that the only battles we lose are those we fail to fight. Liberal Paul Waldman of the Washington Post admits that the Tea Party is proving the truth of that combative approach.
http://www.washingtonpost.com/blogs/plum-line/wp/2014/08/06/the-tea-part...
The Conservative Caucus is a public policy organization, contributions to which are not tax deductible. The IRS has determined TCC to be a 501(c)(4) organization, exempt from Federal income tax. TCC can receive corporate donations.