"the chicago tribune" printer's row festa this one features comic book writer harvey pekar and paul buhlen the late studs terkel's book, working. >>> guy mcpherson is a professor at the university of arizona and author of living with fire. professor mcpherson, is there policy? >> particularly if a lousy enough flexibility for considerable variation how we treat places on the landscape. so, excuse me, yes, we still have policies that are broader but enough to encompass all acres but there has to be enough latitude so that we recognize california is not the desert is not counted for forest. >> what are the benefits and negative sides of fire breaking out into summers of the west? >> sure. the benefits include advantages to any number of species that involved in the presence of periodic fire. and for most ecosystems in the west united states, fire was a prevalent and frequent occurrence on a landscape, so all species and fire prone systems devolved in the presence of periodically this catastrophe as we like to call it these days, without fire they go extinct as some point so fire is great if