In our Fall 2007 issue, Howard Frumkin of the Centers for Disease Control warned that global warming was "perhaps the largest looming public health challenge that we face." On October 23, Frumkin's boss, CDC director Julie Gerberding, testified about climate change to the Senate Environment and Public Works Committee. By the time Bush administration officials were done reviewing her 12-page draft, it had been slashed to six. Among the statements cut: "The CDC considers climate change a serious public concern."