Well, I just had a preview of Gn2Dlnd's proposals for DCA as I ran across him slinging cheese in Century City ... and I think you'll like them.
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As for a park about America in America, I'll grant it would do better in an area (such as originally proposed) where tourists - especially American tourists - flock to grok some American History.
California is hardly best for that .... but I think that park deserves to be built, and we've got a turkey park that needs a complete re-do (imo).