Our guest today is Dr. Duane Mitchell, the Phyllis Kottler Friedman Professor in the Department of Neurosurgery at the University of Florida College of Medicine.He’s also the co-director of the university’s Preston A. Wells Jr. Center for Brain Tumor Therapy and Director of the Brain Tumor Immunotherapy Program.Duane and Dawn have been friends since their days at Duke University where they served on the Institutional Review Board together. Duane got his medical degree and doctorate at Duke and then joined the faculty, where he spent the next decade before moving to the University of Florida in 2013.Duane and his team at Florida are among the world leaders in the uphill battle to find ways to treat glioblastoma, an aggressive form of brain cancer that affects about 13,000 Americans annually. It’s the disease that recently took the life of Senator John McCain. People who are diagnosed with glioblastoma typically live for less than two years.