Joe's got it right--the New York Times seems to be throwing in the towel to be the online archive for the ages:
On Monday, September 19th the New York Times' editorial section goes behind the pay wall. Krugmania will no longer sully Memeorandum. Bloggers will stop linking. Traffic to nytimes.com- some significant portion of it- will dip.
On Monday, September 19th the New York Times will learn where All of This is heading, and it isn't toward the pharmacy-floor exclusivity model.
Folks at the Washington Post, which has adopted trackbacks, and the Wall Street Journal, which continues to expand its free OpinionJournal.com site, will smile.
For an example, take a look at how well the Washington Post is doing in its Campaign for the Court blog. Read the letter from the New York Times' editors here.