11.   The possibility that the government is watching much of what transpires has ignited a debate over the balance between personal privacy and law enforcement.

12.   The paper has ignited a debate among scholars over what happened and how to interpret historical records.

13.   The request ignited a debate in Britain and Chile and throughout the West on the wisdom and fairness of bringing former rulers to trial for human-rights violations.

14.   The woman survived, but the baby was stillborn and the case became a landmark event when it ignited a debate over the legal status of a fetus.

15.   This first season of interleague play was certain to ignite debate about the contrasting merits of how baseball is played in the National and American Leagues.

16.   TV Guide, of course, admits it wants this list to ignite debate.

17.   What really ignited the debate was a remark attributed to Jardine, again in The Times of London.

18.   Whitehead also ignited a debate in the pages of The American Prospect, coming under fire from research psychologist Arlene Skolnick in the May-June issue.

19.   But it ignited a debate about influence on Nobel judges, who claim to be independent arbiters of scientific merit.

20.   His trade Wednesday to the Colorado Avalanche ignited debate on radio talk shows and the Internet.