When Is A Lie Not A Lie?

TomDispatch - Tomgram: De la Vega, Does the President Really Know Best?:

"This charade was not merely for the benefit of the public and congress but also for the benefit of the thousands of administration employees who are charged with enforcing the rule of law. When Bush announced famously on April 20, 2004, '[T]here are such things as roving wiretaps. Now, by the way, any time you hear the United States government talking about wiretap, it requires -- a wiretap requires a court order. Nothing has changed, by the way...' "

When Is A Lie Not A Lie? ...when George says so!