  According to the documents, officials at the State Department,
CIA and White House national security staff heavily revised a
CIA memo to remove all references to Islamist extremists known
to have participated in the attack on the U.S. Consulate in
Libya.  The revisions also removed the CIA's claims that the
agency had issued repeated warnings to the State Department
about the threat of al-Qaeda-linked militants in Benghazi.
Among the unknowns:  •Why were the revisions made?  •Why did
Secretary of State Hillary Rodham Clinton testify before
Congress that the edits were a product of the intelligence
community when State officials had made many of the requests for
alterations?  •Why did the White House say it made no
substantive edits when the e-mails show officials there helped
lead the process for changes?  •Where did the story come from
that the attack grew from a protest against an anti-Islam video?
The video was mentioned once in 100 pages of e-mails, but it was
a central theme of Obama's and Clinton's d