1.   The most recent controversy revolved around former Bruin goalie Bill Ranford and the seriousness of his groin injury.

2.   The second controversy revolves around the car and the convict.

3.   These controversies revolve around value judgments rather than scientific differences, he said.

4.   The controversy revolved around ballots marked with ticks instead of numbers to indicate voter preference.

5.   The controversy revolves around the formation of a rival chess organization called the Professional Chess Association.