So, was the sexual revolution all a great big mistake?

Certainly, the way the American auto industry was run was a mistake.

So just what is the most addictive thing?

Explaining the difference between environmental economics and ecological economics. The first is the application of the economist's toolbox to matters environmental, the second seems to mean making stuff up.

Of course the environment is valuable to us, that's why we have to put a price on it.

Just what did happen in hte Great Depression is still a matter to argue about. Firstly, Hoover boasted of the interventions he made, the British experience shows that fiscal expansion was not necessary for recovery and thus that Paul Krugman's proposed solution might not be a good idea.

And finally, how language changes.