Ex-Uruguay president Sanguinetti discusses run for third mandate For former Uruguayan leader and current presidential candidate, 83-year old Julio Maria Sanguinetti, both security and the controversial issue of Venezuela are among the top concerns that will dominate the presidential campaign ahead of elections in October. IMAGES AND SOUNDBITES+REFILE WITH CORRECTION IN SOUNDBITE 4 - SHOULD READ "MERCOSUR" INSTEAD OF "VENEZUELA+