PUBLISHED ON MARCH 10, 2005: Under Siege As illegal immigrants surge across Southern Arizona, life for ranchers living near the border has become a living hell By LEO W. BANKS This is what it's like on the border now. Illegal immigrants bust gates open on ranches, creating expensive problems for ranchers. Rancher Fred Davis found several of his horses dying of dehydration after illegal immigrants locked them in a pasture away from their water supply. "We're tired of people who live in another country thumbing their noses at our laws, our culture and our customs, and threatening what we've spent...