"Mr Barr, you said during your press conference on April '8 that the White House "fully cooperated' with the special counsel investigation." 1/
(This last is objectionable at trial and you'd save it for closing argument - but fine in a Congressional hearing!). 12/
And if he tries to say, "Well I said the White House was cooperative, not the president," then you've got him too. 13/
In this case it's like shooting fish in a barrel. 15/end