11.   Just why remains a matter of bitter controversy here.

12.   The book has already ignited bitter controversy, and that is no surprise.

13.   The hallmark of all these editorials is that they make no mention of the storm of bitter controversy that has torn the nation apart for the past year.

14.   The reactor, the second most powerful university-based reactor in the nation, has been the source of bitter controversy over the years.

15.   The teaching of evolution in schools evokes bitter controversy, Lerner says, and indeed the issue has galvanized states in the past few years.

16.   The use of affirmative action in government contracting has been a topic of bitter legal controversy.

17.   The works, which portrayed children and adults in sexual acts, stirred bitter controversy over police powers and freedom of expression.

18.   You see, Robert is the subject of a bitter controversy.

19.   ALOKANANDA CHAKRABORTYKudos and brickbatsNon-resident Indian brothers Arfeen and Shez Khan, marketing managers at Kudos Business Services, are in the thick of a bitter controversy.

20.   An increasingly bitter controversy over the exhibit has gone on for a year.