By Carey Gillam When a team of scientists embarked two years ago on a $1 million landmark study of Iowa’s persistent water quality problems, they knew that the findings would be important to share. But now, after the completed study pointed to agricultural pollution as a significant source of the key US farm state’s water quality problems, public officials have quietly stripped funding away from plans to promote the study findings. The post As Iowans wrestle with polluted waters, politics...