Discussing on-the-ground issues and controversies, this eye-opening look at the challenges of keeping terrorists, drug smugglers and illegal immigrants from ent

"Today the United States is home to more unauthorized immigrants than at any time in the country's history. As scrutiny around immigration has intensified, bord

Border clearance processes by customs and other agencies are among the most important and problematic links in the global supply chain. Delays and costs at the

*** Winner of the 2013 Julian Minghi Outstanding Research Award presented at the American Association of Geographers annual meeting *** Two decades after the fa