CNN 's chief Darlington , who lives in Sao valley , asks who protesters are and what they mean . protesters are angry about a massive scandal involving state oil company . Protesters also are incensed about a corrupt government .
CNN 's Shasta Darlington , who lives in Sao Paulo , explains who protesters are and what they want . Demonstrators are angry about a massive scandal involving state oil company . Protesters also are incensed about a stumbling economy .