Audie Cornish

Maricopa County, Ariz., where 3 out of 5 Republicans in the state live, has become a hotbed of Tea Party activism.

That's where the head of the Original North Phoenix Tea Party lives. His name is Wesley Harris, and he used to manufacture precision rifle barrels. These days, his son runs the business, while Harris spends most of his time as a full-time Tea Party activist.

Running Against Disenchantment

For years, Maricopa County, Ariz., has been ground zero in the debate over immigration.

On one hand, the massive county, which includes the state capital of Phoenix, has a growing Latino population. On the other, it's home to publicity savvy Sheriff Joe Arpaio, who has made his name by strictly enforcing, some say overstepping, immigration laws.

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