On Wednesday, May 24, from 2-3 pm PT, the Department of Viticulture and Enology at UC Davis presented “Office Hours with Dave and Anita, Episode 21: Why do we need new grape varieties?” Luis Diaz Garcia, assistant professor in the Department of Viticulture and Enology at UC Davis, gave a short presentation on why we need new grape varieties, what the process looks like, and what kinds of new varieties might be useful and why.