Are they purposely leaving Dick Cheney’s out

No leak charges
Several administration officials, including Libby, former State Department official Richard Armitage and Bush advisor Karl Rove, disclosed Plame's identity to reporters.
No one was ever charged with the leak of Plame's name itself, which would have been a crime only if someone knowingly gave our information about someone covered by a specific law protecting the identities of covert agents.
Fitzgerald wrote last week in the 18-page memo, "Particularly in a case such as this, where Mr. Libby was a high-ranking government official whose falsehoods were central to issues in a significant criminal investigation, it is important that this court impose a sentence that accurately reflects the value the judicial system places on truth-telling in criminal investigations."
The special counsel recommended to the judge that Libby not receive any leniency, because, he writes, "He has expressed no remorse, no acceptance of responsibility, and no recognition that there is anything he should have done differently - either with respect to his false statements and testimony, or his role in providing reporters with classified information about Ms. Wilson's affiliation with the CIA."
Libby was convicted in March of four of five felony counts against him. He is scheduled to be sentenced on June 5th before U.S. District Judge Reggie Walton