Arizona Gov. Janet Napolitano talks to Vivian Juan Saunders, right, chairwoman of the Tohono O\' Odham Nation at the San Miguel Gate on the Tohono O\' Odham Reservation near Sells, Ariz., during a tour of the border Wednesday.
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