CORPUS CHRISTI — A couple who provided U.S. Rep. Solomon Ortiz with free trips to China was sentenced Friday in Houston for their role in a complex visa fraud scheme unrelated to the trips with Ortiz. Kenneth and Ping Lee Cohen pleaded guilty in the case in 2006. They owned a company called Asia Access, which charged as much as $60,000 to Chinese immigrants attempting to obtain green cards. The company used fake documents from real companies in which Chinese nationals claimed they would be working as executives in American subsidiaries of Chinese companies, according to the U.S. Attorney’s Office...