By THÉRÈSE MARGOLIS     Chinese Ambassador to Mexico Xia Xiaoqi hosted an early Chinese New Year festival at his Colonia Pedregal residence on Saturday, Feb. 2. The event, which was cohosted by the Chinese Embassy, the Chinese Cultural Center and China Southern Airlines, was attended by Mexican Interior (SeGob) Secretary Olga Sánchez Cordero, Tourism Secretary Miguel Torruco Márquez and Senate President