The heartland Institute should send them nothing more than Burt Rutan’s research into the issue, in a very public way. Getting this into the mainstream would change lots of opinions because Burt does have credibility for being the winner of the X-Prize.
Is Markey asking for documents from other involved in the climate science debate? Is he the self appointed arbiter of what is true and correct in science? What are his qualifications to take on such a role?
It would be better if he spent more time working on balancing the budget than worrying about what a private institution is doing.