"In part, that is why they are called migrant workers. They migrate from one growing area to another as crops come ripe. That is part of the reason Americans don't do this job much. Most aren't willing to leave a permanent home to do the picking."
Agreed. But I was looking for a catch in McCain's offer - if you only get paid a small part of the year but have to stay there for the whole year then its not much of an offer.
By then, you would have residency, and could vote against him.
Maybe THAT is why he suddenly decided it was all a rhetorical joke.