Over a period of decades, Kevorkian developed several controversial ideas related to death.

"By listening to controversial ideas and challenging his thinking maybe some good will come from it."

Coming from most radio hosts, such controversial ideas would be commonplace.

That would almost certainly be a controversial idea during the current budget debates.

Think tanks may feel more free to propose and debate controversial ideas than people within government.

"It was a controversial idea at the time but it has come true."

At other times, the Administration has appeared to be testing the waters for particularly controversial ideas.

The owners also hope to decide on other controversial ideas that Hunt has proposed.

I voted against, as I believe this to be a very controversial idea.

The government is to hold a formal consultation on the controversial idea, with a report due to be announced in March.