Líneas de investigación: The relationship between internal legitimacy and foreign policy -- The foreign policy of Mexico and Latin American countries towards the Arab countries, Israel, Iran and Turkey -- The study of the Middle East from Political Science and International Relations in higher education institutions in Mexico. Tawil’s current research deals with 1) the policies of El Salvador, Honduras and Guatemala towards Israel and the Gulf monarchies, 2) the Palestinian-Israeli issue in the Mexican written press, and 3) the policy of recognition of the Palestinian State in Latin America, with attention to the cases of Mexico and Colombia.