From left, Ron Colburn, Yuma Sector chief; Arizona Gov. Janet Napolitano; President Bush and Border Patrol Chief David Aguilar tour the Yuma Sector Border along the U.S. Mexico International Border, Thursday.
Guest Commentary by Andy Warren, Maracay Homes
Guest Commentary by Michael Carroll
Guest commentary by Phil Kerpen
By Mark Heller, Tribune
By Mark Scarp, contributing columnist