Chile's new President Michelle Bachelet (C) waves next to Argentine President Cristina Fernandez de Kirchner (L) and Brazil's Dilma Rousseff at Cerro Castillo Palace in Vina Del Mar, Chile on March 11, 2014. Socialist Michelle Bachelet took the oath of office as president of Chile Tuesday, returning to power after four years with a reform agenda to reduce social disparities in this prosperous South American country. AFP PHOTO/CLAUDIO REYES / AFP / Claudio Reyes