The U.S. Olympic Committee is expected to decide on a site to propose for the 2024 Summer Games in September 2015. Under the plans DC 2024 — the group exploring a Washington, D.C. bid — Baltimore-area venues would stage Olympic events and Baltimore would support the games with transit and hotel infrastructure. Critics are asking what benefit this would bring to the city and region, and if the costs could outweigh the revenue. Econimcs professor Dennis Coates told The Baltimore Sun that the Olympics are a financial boon to the International Olympic Committee, but not necessarily to the host cities. “The question …