Ever since he was a boy in the border city of Nogales, Ariz., Santa Cruz County Sheriff David Hathaway says people have been crossing over into America looking for a better life. Only recently, he says, has this become red meat for national politicians.
"Caravans staging in Mexico, they're heading this way and it's gonna be a mass invasion," he says, chuckling. "It's never materialized the way they describe it."
