NASHVILLE, Tennessee, Aug. 13 -- The American Farm Bureau Federation issued the following news release: IDEAg Dakotafest takes place in Mitchell, South Dakota, Aug. 20-22, celebrating its 24th year with a robust program of activities offering opportunities for entertainment, education and networking for farmers and families alike. Dakotafest will feature two keynote speakers who will define trends in the agricultural sector, recommend strategies for marketing production, and share insights on   more