Las Vegas Sun – When Springfield, Mass., needed to choose who would build its first casino, the city hired an outside adviser to help with the process. The consulting firm Shefsky & Froelich recommended the deal go to MGM Resorts International. At the same time, the consulting firm also was working as a registered lobbyist in Illinois for MGM Resorts. The arrangement highlights an often-overlooked trend as more cities and states embrace legalized gambling around the country: Private companies are being hired to write regulations and vet casinos, even as the same firms work the other side of the fence,…