Musket,
Your first line is deeply questionable .....but true.
Your second line is laughable. Factual actually. You must be a giggling fool.

Dave,
And I am also perfectly prepared to believe that it has little to do with new information, and a lot to do with political expediency.

That is an outrageous slur on professional people.
Ignore him Modette.
Of course there is new information. Historians are independent people and do not bend their findings for the sake of "political expediency!"