Elko business and economic development leaders are taking the city's message on the road in hopes of spurring development in Elko County.The inaugural Elko Regional Economic Opportunities Summit is slated for Wednesday at the Reno's Atlantis Casino Resort grand ballroom. The pitch: Elko County is unlike any other part of Nevada. Whereas high unemployment, foreclosures and record vacancy rates in all segments of commercial real estate have depressed the economies of the state's larger metropolitan areas, Elko is in dire need of new housing and industrial and retail development.Representatives from the Elko County Economic Diversification Authority, City of Elko, Newmont …