ITHACA, N.Y.--(BUSINESS WIRE)--Palisade Corporation, a leader in decision and risk analysis solutions, today announced the release of its latest product, BigPicture, for Microsoft Excel. A diagramming, mind mapping and data visualization tool, BigPicture will appeal to strategic planners, data analysts, human resources professionals and others. BigPicture is currently available for download in beta version, and is the first and only mind mapping tool on the market based completely in Excel. Wit