Andrew Rosenthal, editorial page editor of the New York Times, offers "A Champion for the Census?" (link) about new Department of Commerce secretary Gary Locke. It contains this not very surprising suggestion:

For instance, in the run-up to other censuses, the federal government has eased up on immigration raids and other intimidating forms of immigration enforcement in an effort to cut down on the number of people who are afraid to be counted. The word must go out from the Obama administration that it expects the same cooperation as the 2010 count approaches.