From SPUR:

San Francisco’s Presidio has become one of the nation’s most innovative national park sites. What’s next? Invoking the history and landscape of the Presidio, Craig Middleton, Executive Director of the Presidio Trust and Michael Boland, the Trust’s Chief of Planning, Projects and Programs, will illustrate the changing relationship of people to place, showing how a 19th century idea, “America’s greatest idea,” has evolved to meet 21st century challenges.