GMO Wheat Found In Oregon Field. How Did It Get There?

About a month ago, a farmer in eastern Oregon noticed some wheat plants growing where he didn't expect them, and they didn't die when he sprayed them with Roundup.

The farmer sent samples of these curious plants to Carol Mallory-Smith, a scientist at Oregon State University who has investigated other cases in which genetically engineered crops spread beyond their approved boundaries.

Read more at NPR's site »