[caption id="attachment_5275" align="alignleft" width="225"] Deni Chamberlin[/caption] Deni Chamberlin is an associate professor of journalism at Iowa State University, a Pulitzer Prize-winning photojournalist and the Director of Photography at the Food & Environment Reporting Network. She has more than 20 years experience as a newspaper and magazine photojournalist and has worked for publications such as TIME,…