NYT exhortation for Congress to resist the lobbying pressures of the banks to weaken regulation for a Consumer Protection Agency and derivatives trading on exchanges. The first by amending legislation for a Consumer Protection Agency so that no states can pass tougher consumer protection laws, something that prevented states from protecting consumers from abuses in the mortgage business. The second to propose legislation for derivatives trading that allows corporations and hedge funds to trade derivatives privately. NYT editorial says Congress should require all derivatives dealers and users -banks, hedge funds and corporations- conduct their trades on exchanges where they are reglulations and public scrutiny. NYT responds to the banks and corporations that say this would raise their transaction costs to hedge any given risk, by saying that this is debatable. Greater transparency should reduce costs but even if there were some higher costs it would be outweighed by the larger benefits to the banks themselves and the country through the lower systemwide risks. ...