Just for the record: personal adviser to President Bush has been ordere to appear in front of Congress and answer questions:
House Judiciary Chairman John Conyers, Jr. D-MI) has subpoenaed Karl Rove a third time, asking him to appear Monday, Feb. 23 for a deposition to testify about his knowledge about the US Attorney firings and the alleged political prosecution of former Alabama Gov. Don Siegelman.
via Raw Story
Why three subpoenas? Because he didn’t comply with the first two.