At a briefing held Wednesday at the Port of Houston Authority, U.S. McCaul chose the port as the site to host the briefing on security and emergency preparedness to illustrate the importance of the Port of Houston to the nation's economy and energy security. The Port of Houston is home to the largest petrochemical manufacturing complex in the United States and second largest in the world. McCaul met with Port of Houston Authority officials as well as Houston, Harris County and…