Day Two of our coverage of World Dairy Expo features a two-part conversation with Barb O'Brien, president of Dairy Management, Inc., and Marilyn Hershey, a Pennsylvania dairy farmer who is chairman of the board at DMI.

<p>Day Two of our coverage of World Dairy Expo features a two-part conversation with Barb O'Brien, president of Dairy Management, Inc., and Marilyn Hershey, a Pennsylvania dairy farmer who is chairman of the board at DMI.</p>

A daily national conversation about the latest issues impacting agriculture and rural America.