11.   The issue sparked angry confrontations on the House floor and ended any pretense of bipartisan comity.

12.   The issue has sparked a diplomatic flap.

13.   The issue sparked a Naval battle in June, when North Korean warships repeatedly tested South Korean waters.

14.   Harvard University President Lawrence Summers said Thursday that the university would raise the wages of its lowest-paid workers, an issue sparked campus protests last year.

15.   His lawyers say he should be released because of his age, and the issue has sparked a public debate in France.

16.   That issue has sparked widespread rioting for the past two summers.

17.   The cloning issue has sparked intense debate in both Europe and the United States on just when life begins.

18.   The execution issue has sparked daily protests by Islamic fundamentalists outside the Lahore High Court, while inside defense lawyers try to strike down the conviction.

19.   The issue has sparked an uproar in Indonesia, spooked the markets and threatened its economic recovery.

20.   The issue has sparked riots in Palestinian areas and friction with the Israelis.