More than a billion dollars of trade is conducted across the border each day, making the two nations by far each other’s most important bilateral trading partner. And yet the border also has a dark side: Mexican drug lords have the world’s biggest market right on their doorstep, and illegal access to the firearms that Americans pride themselves in owning.
President Barack Obama delivers a speech at the Anthropology Museum in Mexico City, Mexico, Friday, May 3, 2013. Underlying Obama’s visit was his desire to persuade the U.S. public and lawmakers that Mexico no longer poses the illegal immigration threat it once did. (AP Photo/Dario Lopez-Mills)