In this issue of the Revista Mexicana de Política Exterior, central issues of current international reality are analyzed: the response of the Mexican government to the terrorist attacks of September 11, in light of the principles of Mexico's foreign policy; the formation of a new international order based on rules and norms; Mercosur as a Latin American integration mechanism; a review of the objectives and possibilities of the Puebla-Panama Plan; the ratification by the Mexican Congress of the Optional Protocol to the Convention on the Elimination of All Forms of Discrimination against Women; the interests of Chilean foreign policy; and international cooperation against organized transnational crime, financial crime and corruption.