Grandmothers of Plaza de Mayo ask Argentina to vote for Scioli The Grandmothers of Plaza de Mayo organization called on Argentines to choose Daniel Scioli rather than Mauricio Macri on Sunday in the second round of the presidential election. The Grandmothers are outspoken supporters of President Cristina Kirchner for the work done by the government to try crimes committed during the dictatorship in the 1970's. IMAGES AND SOUNDBITES//REFILE TO CORRECT NAME//