Johnson does the dirty jobs some volunteers don't want to do like cleaning up after horses.

VOA: standard.2010.07.06

The idea would be to bring in a few hundred thousand temporary "guest workers" to do the hard and dirty jobs that Americans won't do at any wage.

CNN: Guest worker issue may kill immigration reform

Immigrant rights activists say workers like Gonzalez do the dirty, back-breaking jobs US citizens won't.

NPR: Kennedy, McCain Introduce Immigration, Guest Worker Bill

Could that have had anything to do with the fact that, for months after Katrina, many African-Americans weren't interested in moving back to New Orleans, let alone in doing the tough, dirty and low-paying jobs that Latino immigrants did to rebuild the city?

CNN: Commentary: Black-brown friction waste of energy