Romney asked Giuliani whether a homeowner should second guess contractors and ask to see the paperwork of anyone with an accent. Giuliani didn't respond. But Fred Thompson jumped in later saying, "I think we've all had people we've hired that in retrospect was a bad decision."

John McCain also answered the immigration question, defending his support for President Bush's immigration proposal and going past his alotted time He advocated enforcing the nation's borders, but also said people need to remember immigrants are "Gods' children as well."