A prominent broiler, cattle and hay producer from Greensboro has been elected president of the American Farm Bureau Federation, the nation’s largest general farm organization. Zippy Duvall, who stepped down as president of the Georgia Farm Bureau to assume his new position, now represents farmers and ranchers from across the country. It is a high honor and a tribute to Duvall’s knowledge, relationships and leadership that he was selected by fellow delegates from across the nation at the federation’s national convention. Georgia’s boat on the national agriculture scene, with Duvall at the American Farm Bureau federation helm, is RISING…