BORDER

An officer peers into the trunk of a vehicle at the border crossing station in Highgate, Vt., Wednesday, Oct. 24, 2001 along the U.S. -Canadian border. Americans will need passports to re-enter the United States from Canada, Mexico, Panama and Bermuda by 2008, part of a tightening of U.S. border controls in an era of terrorist threat, three administration officials said Tuesday, April 5, 2005 (AP Photo/Toby Talbot)