there are about 400000 plus illegals in Arizona,the costs in healthcare education and the legal system are stagering.Also the crime rate has skyrocketed.Arizona is the Kidnap capitol of the USA now.it's not the illegals that are the main issue it's also the flow of drugs and the flow of weapons that are out of control.Also from a security standpoind,if you can get a truckload of people or drugs across you can do the same for bombs or WMDs.there is a false sence that these people are just taking jobs that Americans don't want,well the truth is that is not the case.teens that usual get summer jobs or people wanting to suplimate their income with a second job are unable to because the usual places that hire are full up of under the table illegal workers.It will only get worse as the healthcare crap kicks in.it will be better for buisnesses to have less workers on the books and the ilegal imigrant is the prime one hired in those situations.I do not think a fence by itself will do anything but combined with tougher laws and penalties for the illegal and the person who hires or helps them coupled with an ACTUAL WILLINGNESS to enforce the laws will help alot.nothing will ever shut the door but if you can close it to the point that the few that get in is small enough then things can start to stabilize.the funny thing is that Mexico has the gall to complain about our laws when they have tougher imigration laws their well that is if their corupt goverment and lawenforcement ever enforced them.