We're going to wrap up our live blog coverage of reaction to the exposure of broad NSA surveillance programs. The day was defined by the president's long defense of the programs this morning, coupled with his profession that he is open to debate on the issue. The big Internet companies named by the NSA as playing a role in the programs issued strong denials of playing any part in any such program. Many details of the programs have yet to emerge. Watch this space. We're going to watch this, about to air:

About to go on with @andersoncooper — Glenn Greenwald (@ggreenwald) June 8, 2013