OK -- those stats are from NBC, ABC, and CBS. I admit I haven't been watching those much. I've been watching Fox and MSNBC. And both (yes, the latter to) have devoted extensive coverage to this issue.
You're right, Cable coverage has really picked up since Kerry came out against the Swiftees.
A new MRC alert is here:
***Media Research Center CyberAlert Special***
5:45pm EDT, Monday August 23, 2004
Media Reality Check. "TV Focuses on Kerry's Spin, Not Kerry's
History: ABC, CBS & NBC Morning Shows Have Failed to Interview a
Member of Swift Boat Veterans for Truth"