Putting Karl where he needs to be has been the work of numerous folks in Congress and the media. Take a look at Larisa Alexandrovna's investigative pieces.
And here's the piece from Raw Story on yesterday's story:
The subpoena, approved by an earlier vote of the House, was issued pursuant to "authority granted in H.R. 5 (111th Congress), and calls for Mr. Rove to appear at deposition on Monday, February 2, 2009."
Specifically, it enjoins Rove "to testify regarding his role in the Bush Administration’s politicization of the Department of Justice, including the US Attorney firings and the prosecution of former Alabama Governor Don Siegelman."
Here's a link to the subpoena.
Read the rest of the story here.
And here's my own shot at Rove on the anthrax vaccine, also with Raw Story.