There is a livestream of today's Mann/CEI/Steyn courtroom hearing available here. You need to select the Ceremonial Courtroom feed at 9:30 EST, which I think is 14:30 GMT.
To set you up for the occasion, there's an excellent article at the Daily Caller, which will certainly whet your appetite.
I was able to connect briefly, but it seems to have gone down. I guess they have been overwhelmed by interest.