I am also interested why they would make a press announcement
Perhaps he made a plea deal but it is worth watching how this turns out.
Also be it as it may, he may be better off in Russia if he can sneak his way over there.
That may actually be correct, if his group is monitoring the traffic and movements of people who enter and leave the embassy and what they do when they monitor them, then it makes sense to use a good sample size and then determine which method is the most efficient one to escape.
That or Assange builds a tunnel sneaks into the sewage system comes out outside the embassy and then takes a ride safely away from there with no one the wiser.
Sounds like The Great Escape ^_^.
http://en.wikipedia.org/wiki/The_Great_Escape_%28film%29