Do check out Sean Siperstein at Warming Law's liveblog of today's events in the Senate Environment Committee, where Barbara Boxer and others made EPA Administrator Stephen Johnson squirm for quite a while this morning.
The background, including Boxer's finding that the EPA staff favored the granting to California of the waiver for them to regulate tailpipe emissions, is here and here. More on today's session is here and here, including the hilarious admission that the EPA used duct tape to redact documents about their decision-making process.
BOXER: Colleagues, this is the tape, this is the tape that was put over - finally the administration had a way to use duct tape. This administration, this is what they did to us. They put this white tape over the documents and staff had to stand here. It's just unbelievable. [...]
I mean what a waste of our time. This isn't national security. This isn't classified information, colleagues. This is information the people deserve to have. And this is not the way we should run the greatest government in the world. It does not befit us. So that's why I'm worked up about it and think we have been treated in a very shabby way.
Even Lieberman was laying into Johnson on this one. What an embarrassment.