![A customer shops for produce at the Hunger Mountain Co-op on Tuesday, April 16, 2013 in Montpelier, Vt. Vermont's 17 food cooperatives are supporting a bill that would require the labeling of genetically modified foods. The co-ops said Tuesday t](https://will.illinois.edu/images/uploads/36125/ap427747623170__medium.jpg)
Bill Would Block State Labeling Laws On Genetically Modified Foods
John Reifsteck is chairman and president of GROWMARK, Inc, a regional agricultural cooperative in Bloomington, Ill. Reifsteck, who is also a grain farmer, told lawmakers that unless Congress backs a national standard and blocks individual state laws, American agriculture will be harmed.