EcoWatch: More than two months after ExxonMobils 65-year-old Pegasus pipeline burst and spewed a gusher of thick Canadian tar sands oil through Mayflower, AR, and into a marsh on Lake Conway--the states most popular fishing spot--residents are still complaining of health problems and are worried about poisonous impacts on wildlife and in the environment. Many locals and some scientists have little faith in the continuous rosy assurances from Exxon and the Unified Command that testing results show the environment...