Mayor Daley will participate Saturday in the Farm Dedication and Ribbon Cutting Ceremony of Uncommon Ground&amp;#8217;s organic rooftop farm. The 2,500-square-foot farm, located above the Edgewater restaurant, is the first certified organic rooftop farm in the U.S. Uncommon Ground owners Helen and Michael Cameron use the farm to produce food for their Wrigleyville and Edgewater [...]