TUCSON, Ariz. A Washington-based company is donating up to seven (m) million dollars worth of fiber-optic security fencing material for the Minuteman Civil Defense Corps for new barriers near the border. The mesh has embedded sensors that can differentiate between human and animal contact and conditions such as high winds or heavy rain. Tied into cameras and alarms, the system can alert monitors to the precise location of any intrusion. A spokeswoman for the Minuteman corps says the material could be used on range fencing similar to what the group put up earlier this year on a southern Arizona ranch....