lava, they emit gases. so, there's a gas, sulfur dioxide. and it's lethal if the concentrations are high enough. stay a kilometer or kilometer and a half away from that. >> the park is closed? >> no, i believe parts of it are closed. >> amazing video. jacqui jeras, thank you very much. newt gingrich, mitt romney, donald trump, all names that have been thrown around as would-be presidential candidates. coming up, cnn's political political editor, mark preston, with a look ahead at what's in store for 2012. and his beating ignited six days of race riots and unrest. rodney king tells us why he got slapped with a traffic violation nearly 20 years to the date. ugh my sinuses... the congestion...