Pascal is out on the sea ice in the Wellington Channel between Cornwallis Island and Devon Island right now (zoom out to see exactly where that is). He's driving a specially equipped tracked Humvee and simulating a pressurised Moon Rover.
The background story is here
And Leroy and Miles O'Brien will be doing live commentary on the final launch of the shuttle Atlantis tomorrow. Only 2 more shuttle flights after Atlantis (click on the live webcast link on the left). Liftoff is scheduled for 1330 GMT or 2230 AEST Friday.