Mike Naig, Iowa’s secretary of agriculture and co-chair of the Gulf of Mexico Hypoxia Task Force, issued a statement last week in response to the National Oceanic and Atmosph­eric Ad­­min­is­t­ra­­­­tion’s   (NOAA) an­­nual Gulf of Mex­­ico hyp­­oxia zone survey. The the survey measured the hypoxia zone this year as the...