11.   President Bill Clinton and public advocacy groups say, however, that any further relaxation of media ownership rules would stifle diversity of voices in a market.

12.   The Labor Department probe follows a complaint by the Greenlining Institute, a public advocacy group based in San Francisco.

13.   The new-found public advocacy of the ranchers is only the latest blow.

14.   The public advocacy group Common Cause joined the debate Tuesday, also urging an FEC investigation.

15.   Two public advocacy groups will file a joint petition later today with the Federal Communications Commission to block the planned takeover of CBS Corp., by Westinghouse Electric Corp.

16.   A public advocacy group reported these cases and others in a class-action lawsuit seeking better treatment for mentally ill state prison inmates.