The entry of Dunkin' Donuts into northern Nevada marks the next step in a steady westward expansion by the company headquartered at Canton, Mass.Dunkin' Donuts said last week it's recruiting a franchisee who will develop eight to 10 locations in northern Nevada. The stores probably will begin opening in 2014."We're going to want local operators, local expertise," said Grant Benson, vice president of franchising and development. "They will teach us about Reno."The company will look throughout northern Nevada from Verdi to Elko for potential locations for its franchises.But its preferred demographics for franchised locations almost certainly will bring its attention …