U.S. beef exports to Mexico have skyrocketed since the North American Free Trade Agreement phased out tariffs. Representatives of the cattle industry warn reopening the treaty would put those gains in jeopardy. TSCRA Director Coleman Locke and Member Kelley Sullivan, Santa Rosa Ranch, talks trade and the hope Texas ranchers have a seat at the table during negotiations. Read more and listen to the interview at HoustonPublicMedia.org…