Topics vary and have included a wide variety of areas.

The speakers are normally members of the local police department, although topics vary depending on recent events.

The placeholder is the same, but the agenda and topics to be covered vary.

The topics that arise vary considerably, and there is no apparent order.

Topics vary, from the kind of medical services states should provide to whether terminally ill people have the right to refuse treatment.

Topics vary widely from news and politics to interviews of prominent personalities.

The topics vary from the healthy life style of young people to the employment problem of them.

Topics varied from pure nonsense to parodies of politics, science, and social issues.

But in truth, the topics we discuss vary from the foibles of the past American presidents to the current energy crisis.

The topic varies every year and reflects lively areas of current research and policy interest.