Even the Washington Post fact-checker was compelled to point out that President Obama was not telling the truth with his claim that gun control works.
http://www.washingtonpost.com/blogs/fact-checker/wp/2015/10/05/obamas-cl...
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.