The El Paso County, Colo., sheriff quickly earned federal immigration officials' attention by warning that he'd start driving undocumented immigrants from his jail to the Mexican border rather than continue to pay for their upkeep, and release some to the streets. U.S. Immigration and Customs Enforcement officials last week told U.S. Sen. Wayne Allard, R-Colo., that they will consider opening a Colorado Springs office to help process the immigrants for deportation. That's welcome news to county officials, but they say it won't do anything to ease the county's more than $1 million annual cost for housing undocumented immigrants. "It won't...