A lot could be said about Dyson Heydon’s decision to endorse himself as a royal commissioner (Ben Eltham has made a good start here) but for me, this one point is enough:

Take a look at this invitation. Heydon decided that a fair-minded observer would conclude it was not an invitation to a Liberal Party event.

A brilliant legal mind, they say.

Mr Micallef: What is the difference between you and a bucket of shit?

The SPEAKER: Order! The honourable member has used an unparliamentary expression. I ask him to withdraw.

Mr MICALLEF (Springvale): I withdraw ‘bucket’.

Strong Language, “a sweary blog about swearing”, has kicked off a series of posts about “unparliamentary language” in the Westminster system with a selection of examples from Australia.