>> See, we don't expect interviewees to have to install screen capture software on their laptops in order to record a demo in the studio. >> That said, we aren't yet sure of a practical solution that also affords least effort on the part of our guests
Just Remote Desktop into the guest's laptop while recording the screencast on the client-side.
Rant: why is Channel9 reliably not working with Firefox browsers?! Impossible to view videos or post replies. Bummer!