He didn't plagiarise it, just failed to acknowledge where it originated from.
Obviously, this document was given more weight than it should have been.
However, this is not the same as stating he was deliberately lying.
Well, giving a report with information older than 10 years or more it's for me a deliberate lying (from Tony Blair or his friends).

Are you really trying to tell me that the French president checks every single document on something he is asked to approve? Thought not ...
1 point for you .