David Frum : Heritage Foundation report estimated cost of immigration reform . He says study 's co - author believes in an offensive theory about race and class . We can make projections about the likely budget costs of enrolling Frum : Co - author 's views reprehensible , but that does n't invalidate Heritage findings . Frum : Immigration reform would add substantial incentive for entitlements .
David Frum : Heritage Foundation report estimated cost of immigration reform . He says study 's co - author believes in an offensive theory about race and class . Frum : Co - author 's views reprehensible , but that does n't invalidate Heritage findings . Frum : Immigration reform would add substantial incentive for entitlements .