Source: http://www.npr.org/blogs/thesalt/2014/04/17/303772556/plant-breeders-release-first-open-source-seeds Backers of the new Open Source Seed Initiative will pass out 29 new varieties of 14 different crops, including broccoli, carrots and kale, on Thursday. J. Scott Applewhite/AP A group of scientists and food activists is launching a campaign Thursday to change the rules that govern seeds. They’re releasing 29 new varieties of