When Republican presidential candidates talk about the U.S.-Mexico border, they emphasize the need to strengthen security by building a bigger wall, arguing that these measures would seal the country and prevent the movement of illicit drugs and unwanted people. Gov. Doug Ducey’s recent announcement of a Border Drug Strike Force also focuses on combating traffickers. What proponents of border fortification fail to understand is that in emergencies, such as wildland fires and chemical spills, communities in the southern fringe of this country rely on receiving help from Mexico. Instead of planning how to separate the U.S. from Mexico, it is in the government’s best interest to pass legislation that facilitates binational cooperation. Continue reading: http://tucson.com/news/opinion/column/ieva-jusionyte-us-mexico-depend-on-each-other-in-emergencies/article_935d39dd-0577-5bc9-8b5d-0aa12b1c8b5b.html.