CARRIZO SPRINGS, Texas — Rancher Bill Martin has been tending to his land for nearly 70 years, learning the trade from his grandfather, who was born in 1898. But the challenges he faces today are unlike anything his grandfather likely could have imagined.
“Never in the time that he was ranching did he have to face some of the things we do now,” Martin said.
Martin, like many ranchers near the border, is grappling with the increasing costs of securing his property against smugglers and migrants crossing through…