After a long career in business-to-business media and the HME industry, HME Business Publisher Karen Cavallo is retiring. Executive Editor David Kopf — who will move into Karen’s role as publisher — sits down with Karen to talk about her storied career in media and the home medical equipment industry. The two reflect on the major changes that have occurred both in HME and media, and the interesting ways those changes have interplayed with one another over the years.