The press corps went to great pains to stress how unusual it was that a speech was announced with one hour warning and they had no idea what it was about. Chuck Todd said he got an email from the WH that literally said, "Get back here now. I can't tell you what's going on, but it's a BFD"
http://twitter.com/keithurbahn/status/64989522378764288
it wasn't a 'state secret' at that point
besides, i thought most people here supported government leaks of this kind not being treason/state secrets/whatever