HOUSTON CHRONICLE: Houston in the hub of trade fight in Congress
Since the Port of Houston's first direct shipment of cotton to Europe in 1919, the 25-mile-long complex of wharfs, refineries and petrochemical complexes has become the busiest port in the United States in terms of foreign tonnage. It's also become a symbol of Texas' role as a national export hub, thrusting the Lone Star State into the middle of another national row over trade that has…