Oil Company Profits

At what point do profits become excessive? We have laws against usurious interest rates - does this mean that there is a point at which private profit becomes a public hazard? If so, where is it?

(Prompted by Bush optimistic about fuel supply, which would lower my opinion of the man if it were possible.)

Request for the Friends List

If you do the 'Which Star Trek Character Are You?', could you please cut-tag it? It reliably does awful things to my friends page.