What's the difference between .....?

In a week that has seen all manner of over-the-top reactions following the France v. All Blacks game (including referee Wayne Barnes receiving emailed 'death threats'), it is good to see that most rugby-mad Kiwis do keep things in proper perspective : this contribution to a BBC Sport blog about rugby in New Zealand was offered by a Kiwi fan following last Saturdays demonstration of the supposedly poor state of northern hemisphere rugby ....

What's the difference between the All Blacks and a teabag?
A teabag stays in the cup longer!

Incidentally, on the subject of the 'death threats' to referees, etc., I feel that one can do no better than echo the sentiments of the IRB referees boss, Paddy O'Brien - a New Zealander himself - which are reported on http://news.bbc.co.uk/sport1/hi/rugby_union/7034858.stm