ARMITAGE & WOODWARD

Sweetness & Light, a wingnut site, has the audio of part of an interview between Bob Woodward and Richard Armitage. Here's the transcript from the site:

Woodward: Well it was Joe Wilson who was sent by the agency, isn’t it?
Armitage: His wife works for the agency.
Woodward: Why doesn’t that come out? Why does that have to be a big secret? Armitage: (over) Everybody knows it.
Woodward: Everyone knows?
Armitage: Yeah. And they know ’cause Joe Wilson’s been calling everybody. He’s pissed off ’cause he was designated as a low level guy went out to look at it. So he’s all pissed off.
Woodward: But why would they send him?
Armitage: Because his wife’s an analyst at the agency.
Woodward: It’s still weird.
Armitage: He — he’s perfect. She — she, this is what she does. She’s a WMD analyst out there.
Woodward: Oh, she is.
Armitage: (over) Yeah.
Woodward: Oh, I see. I didn’t think…Armitage: (over) "I know who’ll look at it." Yeah, see?Woodward: Oh. She’s the chief WMD…?
Armitage: No. She’s not the…
Woodward: But high enough up that she could say, "oh, yeah, hubby will go."
Armitage: Yeah. She knows [garbled].
Woodward: Was she out there with him, when he was…?
Armitage: (over) No, not to my knowledge. I don’t know if she was out there. But his wife’s in the agency as a WMD analyst. How about that?

If, as Armitage said, "everyone knows," then why didn't Woodward? Why did Woodward think that the fact that Valerie works for the CIA is a "big secret"?