21.   This village in central Chiapas has been the site of five previous rounds of talks since April, but no substantive progress.

22.   Those talks have seen no substantive progress since late last year.

23.   And Clinton, in closing remarks at the White House, admitted no substantive progress had been made, in part because of a lack of agreement on Hebron.

24.   Clinton, in remarks at the White House closing the summit, admitted no substantive progress had been made.

25.   Washington, amid hopes for substantive progress following three-day talks last week which offered grounds for optimism.

26.   Most Burmese say they hope the talks will lead to substantive progress.