In this articleFUS Vice President and Democratic presidential candidate Kamala Harris speaks during a campaign rally at the Thomas and Mack Center, University of Nevada in Las Vegas, Nevada, on August 10, 2024. Ronda Churchill | Afp | Getty ImagesEconomist Brian Deese has begun advising Vice President Kamala Harris as she develops her economic policy plan, according to three people familiar with the matter.Deese is a former director of President Joe Biden's National Economic Council and a fellow at MIT's Ce ...