John Moore: Pan-American Highway
© AP Photo/John Moore
U.S. Border Patrol supervisor Dan Garibay scans the Rio Grande for illegal immigrants and drug smugglers while overlooking the Laredo, Texas, International Bridge number 3 which crosses into Nuevo Laredo, Mexico, Aug. 8, 2001. The bridge is the busiest commercial border crossing in the world, with nearly 10,000 trucks crossing every day.