As deadlines loom in California's landmark law to curb greenhouse-gas emissions, the Senate hopes to write into the state budget a rule that forces Governor Arnold Schwarzenegger's Market Advisory Committee to eschew closed-door meetings and allow the public to view its deliberations. The committee is charged with proposing the heart of the carbon-emissions law--the system of rewards and penalties that will actually make the statute work. The confidential nature of the committee is well known in the Capitol but has been largely ignored outside the state, where the focus has been as much on Schwarzenegger, an actor-turned-politician with a huge...