Whether carbon dioxide is quite the environmental villain that some people make it out to be is not yet proven.

I have close family members as well as lots of close friends who are gay. Many of them strongly support gay marriage.

To be sociable, I puffed on a marijuana cigarette, but I didn't inhale...I just hate the idea of drawing smoke into my lungs.

I am in favour of the notion of Australia as an immigrant society

There is much to be said for an emissions trading scheme. It was, after all, the mechanism for emission reduction ultimately chosen by the Howard government.

No one, however smart, however well-educated, however experienced, is the suppository of all wisdom.

In the era of mobile phones and emails, you're no more out of the loop in China than you are in Sydney.