So What "Is" the Definition of "Is?"

The story White House advisor Karl Rove and VP Dick Cheney Chief of Staff Scotter Libby tell -- doesn't jibe with other accounts of CIA agent Valerie Plame's outing.

And those are stories told to Special Prosecutor Patrick Fitzgerald -- heading up the criminal investigation. He's been calling reporters and White House brass into a grand jury to testify under oath.

People familiar to the case have told Bloomberg News Service that all the reporters tell pretty much the same story. But Mr Rove and Mr Libby tell a different tale. Mr Rove's public account also differs with a TIME magazine account by Matt Cooper. Mr Cooper lists Mr Rove as a source of Valerie Plame's CIA connection. Mr Cooper testified before the grand jury.

Those discrepancies could lead to perjury charges if the differences are enough to look like someone's lying. (Bloomberg)

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