David Harsanyi

You will notice that the Occupy Wall Street crowds - and the progressives who support them - focus on bringing the wealthy down to earth rather than lifting the 99 percent. They have a nearly religious belief that too much wealth is fundamentally immoral and unhealthy for society.

We have little choice but to place a certain level of trust in scientists - even when it comes to the model-driven speculative discipline of climate change. And, need it be said, most scientists take great care in being honest, principled and precise.

Political correctness is one of the engines of nannyism. Allowing and even encouraging 'offensive' ideas is vital for the intellectually health of a free society.

In summation, like your beloved pet rock, Twitter is useful only in your imagination.