College Roadshow is at the University of Nebraska-Lincoln this week and agricultural economist Jim Jansen joins us to discuss land values. Then Troy Bredenkamp, sr. vp of government and public affairs at the Renewable Fuels Association, talks about RFA's challenge to EPA's Science Advisory Board's report on the effectiveness of the RFS in reducing greenhouse gas emissions. Professor Greg Tylka of Iowa State explains the SCN Coalition's new online tool called the SCN Profit Checker that helps farmers estimate SCN’s yield and profit toll per field.