Science: Erin Brockovich, the environmental heroine celebrated in the movie of the same name, is receiving the Harvard School of Public Health's highest honor. Too bad her fame is based on an enormous falsehood.The Julia Richmond Award is given, Harvard says, to those who "have promoted and achieved high standards for public health conditions."In this case, as a letter to an outraged alumnus, American Council of Science and Health President Elizabeth Whelan said, it's for Brockovich's efforts "on behalf of all of us, and especially the residents of Hinkley, California, whose health was adversely affected by a toxic substance dumped...