11.   A news analysis by John F. Burns.

12.   A news analysis by Judith H. Dobrzynski.

13.   A news analysis by Lawrence K. Altman.

14.   A news analysis by Michael R. Gordon.

15.   A news analysis by Neil A. Lewis.

16.   A news analysis by Patrick E. Tyler.

17.   A news analysis by Patrick McGeehan.

18.   A news analysis by R.W. Apple Jr. Sidebars as appropriate.

19.   A news analysis by Richard W. Stevenson.

20.   A news analysis by Roger Cohen.