Henry Waxman: “Some supporters of the Keystone XL pipeline acknowledge that using oil from the tar sands produces much more carbon…”

The use of performance enhancing substance was pervasive for more than a decade, and that everyone in baseball -- the players, the union, the owners and the commissioner -- were responsible.

I hope this committee will initiate a detailed investigation examining this network of front groups and trade associations, determine who funds them and expose how they coordinate with industry.

Mr. Chairman, too much dirty politics is waged with dark money, the secrecy is protected by no privilege, and a little sunlight would be very healthy for American democracy.

It is not for the President to say or to obstruct congressional deliberations and investigations or other legitimate functions.