This isn't quite the same, is it? I mean those were concerning CRIMES; these aren't.
The claim, if made, would be Bush's first known use of executive privilege, ....
'To invoke' as the author's title says and 'is prepared to invoke' as the article says are two different things... so we will see. Write the article to maximize the spin factor against the President, or was this just a "Parody"?.. LOL