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Summary: <p>Jefferson Exchange — March 4, 2013, HOUR 2</p><p><b> <span class="headlinetext">Mark Winne on Hunger</span> </b><br><br> We love to eat, and we love to talk about food. But sometimes the discussions are pretty heavy, especially about the times when the food supply is light. <a href="http://www.markwinne.com/" target="_blank"><strong>Mark Winne,</strong></a> sometimes called "The Father of Food Policy Work," visits the Rogue Valley this week as part of a food summit. He'll join us with people from Medford-based ACCESS. </p>