Interesting blog bits

1. Gray Becker writes on Energy Prices, Offshore Drilling, and an "Excess" Profits Tax.
2. Richard Posner comments on Oil Prices, Offshore and Alaska Drilling, and Excess Profits Taxes.
3. Tim Worstall is Worrying about Oxfam.
4. The mathematician Pietro Poggi-Corradini has a proposal for "redistributing" students' grades.
5. Alex Tabarrok has his China Fact of the Day.
6. The Undercover Economist tells us that Impatient people can’t wait for financial education