TEDxFruitvale: http://www.tedxfruitvale.org/
its and off shoot of the big TED:http://www.ted.com/
Its a TED for "farmworkers, farmers, activists, artists, students, professors, filmmakers, and entrepreneurs to celebrate the people upon whom we depend to harvest our food."
Its sold out. and there's viewing parties - although they are at Mills and Santa Clara.
Webcast: http://www.tedxfruitvale.org/webcast/