When the Heritage Foundation announced that the pathbreaking D.C. think tank had hired South Carolina Senator Jim DeMint to succeed its influential founder and president Ed Feulner, most of the political world took it as confirmation that Heritage would continue in a direction in which it was already heading. With the establishment of its activist 501(c)4 arm Heritage Action for America, the organization had been taking a much more involved role in fights over congressional legislation, and even began “scoring” legislators on their votes.
They had made it clear, as well, that they would openly challenge members of Congress on legislation they opposed before the voting actually took place. And that is how DeMint, who as a senator was instrumental in bringing Marco Rubio into the Tea Party fold, came to spend the last two days arguing with Rubio through the political press. The tiff began in earnest on Monday when Heritage (not Heritage Action) released a study purporting to show the cost of Rubio’s immigration reform proposal at $6.3 trillion. As Politico reported, conservatives struck back at Heritage. Douglas Holtz-Eakin, Paul Ryan, and scholars at the Cato Institute accused Heritage of ignoring the economic benefits of immigration to the country. Yesterday, Rubio responded:



