Sources.

• Position: Websites with suggestions for replacements for World Trade Center - Brief Article

What should replace the World Trade Center? To help answer that question, New York officials convened 5,000 Americans last July in what was billed as the world's "largest town meeting."

But a much larger referendum on the issue was already taking place online, dating back to September 2001. Dozens of homegrown sites--for example, www.rememberwtc.org--weigh in on the discussion. One architect has offered...