Dozens protest against PROSUR in Santiago Dozens gather in Santiago to protest against the PROSUR Summit, as the presidents of Colombia, Peru, Brazil, Argentina, Paraguay, Ecuador and Chile launch the new bloc that is meant to replace UNASUR, a largely defunct organization created in 2008 by late Venezuelan leader Hugo Chavez and his leftist Brazilian counterpart, Luiz Inacio Lula da Silva. IMAGES AND SOUNDBITES