Ecuadorians are choosing a new president, but violence threatens to scare away voters
Supporters attend an open-air Mass during the closing campaign rally of the "Movement Construye" party in Quito, Ecuador, on Thursday. Dolores Ochoa/AP hide caption toggle caption Dolores Ochoa/AP Supporters attend an open-air Mass during the closing campaign rally of the "Movement Construye" party in Quito, Ecuador, on Thursday. Dolores Ochoa/AP GUAYAQUIL, Ecuador — Ecuador is…