FBI bulletin outlines possible terrorist plot at Texas border BY ALFREDO CORCHADO AND JASON TRAHAN The Dallas Morning News DALLAS - (KRT) - Dirt roads trace pale lines across a desolate landscape of bald peaks and plunging canyons near Texas' Big Bend and bridge the international boundary at dozens of improvised crossings. For decades, these routes have been used to smuggle drugs and humans. Now there is growing concern they could become deadly conduits for terrorism. The concern is buttressed by a confidential but unclassified FBI intelligence bulletin, obtained by The Dallas Morning News, that contains the vague outlines of...