I found these two tweets from Knoller (cbs) intersting:
markknoller Mark Knoller
WH wants this seen as a President delivering an imporant policy address rather than one side of a political debate.
7 minutes ago
markknoller Mark Knoller
WH would have preferred that Pres. Obama have the national stage to himself tonight without a GOP response.
23 minutes ago
http://twitter.com/#!/markknoller
Screw the White House, screw Obama and screw Mark Knoller.