Back in August, we were invited to speak on a panel called "The Next Great American City? Reconsidering Philadelphia's Future," which was co-hosted by Drexel University and Next American City, a new(ish) magazine that had recently moved its headquarters to the City of Brotherly Love. We've since grown to really dig the magazine and the issues it tackles—specifically, addressing the problems faced by urban areas and then discussing how to make cities better for generations......