People argue passionately about the most energy-efficient way to boil water.

He and fellow grieving students have spent long days submitting to journalists' interviews, speaking with politicians and officials, going before televi-sion cameras, to argue passionately and coherently for change.

He argues passionately that they have to stop paying the least they can get away with, and start giving workers a decent wage.

I have argued passionately that we need a more devolved system, and that, most importantly, local areas must be responsible for collecting more of the revenue they spend.

Here his radical ideas again had their critics, not least when he put students on the college's governing body and when argued passionately for the merger of two local colleges.