Watch the wording on this one; note they use "legally" on the "yes" response.
Are the presidential candidates unfairly exploiting Mexican immigration in their campaigns?

Yes; many Mexican immigrants are here legally and contribute much to the United States
23%

No; immigration is a huge issue that must not be sugar-coated
77%

* 4219 responses
http://www.msnbc.msn.com/id/21823511/