China's aviation regulator may make it difficult for Hong Kong's Cathay Pacific Airways Ltd <0293.HK> to merge regional arm Cathay Dragon into its main brand because of infractions during last year's pro-democracy protests, two sources said. The airline is looking to cut costs, streamline marketing and consolidate pilot contracts around Cathay Pacific and low-cost arm HK Express, the sources said on condition of anonymity. Rival Singapore Airlines Ltd <SIAL.SI> is… (www.yahoo.com) 更多...