Known abuses may be tip of the iceberg.

Salon composite:
July 23, 2008 | WASHINGTON -- The last several years have brought a parade of dark revelations about the George W. Bush administration, from the manipulation of intelligence to torture to extrajudicial spying inside the United States. But there are growing indications that these known abuses of power may only be the tip of the iceberg. Now, in the twilight of the Bush presidency, a movement is stirring in Washington for a sweeping new inquiry into White House malfeasance that would be modeled after the famous Church Committee congressional investigation of the 1970s. Click on title for rest of story by Tim Shorrock at salon.com