1.   Arthur Bestor, a constitutional historian and a frequent commentator on the separation of powers, died Tuesday at his home in Seattle.

2.   He teaches media theory at New York University and is a frequent commentator on National Public Radio.

3.   His frenetic columns appear throughout the day and he has been a frequent TV commentator.

4.   In recent years, Adams had become a sought-after lecturer and frequent commentator on science and technology issues.

5.   Jensen is an associate professor of journalism at the University of Texas-Austin and frequent commentator on health disparities and other ethical and cultural issues.

6.   One surprising twist in the widely followed case had to do with Ms. Abramson, who had become a legal celebrity as a frequent commentator during the Simpson trial.

7.   She is a frequent conservative commentator on cable television talk shows.

8.   Abdelkarim is a frequent commentator on Middle East issues.

9.   Abdelkarim, born in California of Palestinian parents, is a frequent commentator on Middle East issues.

10.   Coulter is a frequent commentator on cable news shows and rose to prominence during the Clinton impeachment scandal.