sentences:  He began his career in journalism at age 18, working for a prominent local newspaper, "La Gaceta de Tucumán", and at 20 he became a correspondent at the Buenos Aires-based daily "Clarín".He studied at the School of Law of the National University of Tucumán, and later attended courses on Social Communication at Harvard University in the United States .In 1975 he moved to Buenos Aires and started working for "Clarín".