Cornyn's focus set on the border By Tricia Cortez Times staff writer In his first year as a U.S. Senator, John Cornyn has taken a key interest in the border, a fast-growing and often misunderstood region that is vital to the state of Texas and the rest of the country. Cornyn, the former Texas attorney general, has focused much of his time and energy on identifying the problems and interests of the Tex-Mex border. While he brings a new perspective and understanding of these pressing but long-neglected issues to Congress, Cornyn said it is a constant struggle educating his colleagues...