To be fair, you can't really assign 1st/2nd to such a scheme, can you? Either they're hiding or they're not or the left hand didn't know what the right hand was doing.
There's also a simple answer as to why Bush never highlighted all this stuff....because it's an onion peeling contest......gets less and less clear the more you dig into it.
Thus, they may have chosen to ignore all the "proof" because by drilling down, all you do is hand the war-opposers more "evidence" that the case was not clear (which, really, intelligence never is.)
Imagine trying to divine what Idiot Kimmy Ill is doing right now. There's no telling how confusing the paper/intel trail of a psychotic leader is. How to discern the truth from the info/disinfo/crazy?
You have a very good point here Sam.