In remarks in Iowa, Joe Biden officially jumps off the "Medicare For All" wagon. How will the left react?; Dietitian Carolyn Williams discusses foods that heal, particularly foods that prevent OR cause inflammation; David Maahs of the Greater Des Moines Partnership describes how "opportunity zones" may bring an upgrade to a Central Iowa neighborhood near you; Dr. Ann Garvey of the Iowa Department Of Public Health offers tips to protect yourself as the West Nile Virus returns to Iowa and comments as to whether this might be an especially bad year. Click to hear hour 2 of Need To Know With Jeff Angelo for 7/16.