The presidents of the U.S., Mexico and Canada met today in Texas. They'll tighten up border security. They'll ease up trade barriers to better compete with Asia. And they also agreed to disagree on a few things. Like the U.S. ban on Canadian beef. And U.S. competition with Mexican sugar farmers. These trade disputes persist - even though the three are linked by the massive North American Free Trade Agreement. When it comes to trade deals, might smaller be better? From the Americas Desk at WLRN in Miami, Dan Gretch reports on what you might think of as a case study. Call it the Chilean connection.