Negotiations regarding a potential MGM takeover have intensified as MGM Resorts International established a special board committee and appointed financial advisers to evaluate a proposal from media mogul Barry Diller. According to reports from the Wall Street Journal, discussions between the casino operator and Dillers firm, People Incorporated, accelerated this month, although sources caution there is no guarantee a final agreement will be reached. The latest developments in the MGM takeover process follow an offer made by Diller on June first. Under that proposal, Diller offered forty-eight dollars and thirty cents per share to acquire the remaining portion of MGM…