Signing START in Prague

We are waiting for the new START treaty to be signed in the "Spanish Room" at Prague Castle. The best fact so far: Mick Jagger donated the remote control dimmer system for the lights. Obama and Medvedev are about to walk in UPDATE The treaty has been signed, and both presidents have spoken. Obama was far more upbeat about future arms control negotiations. Medvedev was more prosaic and presented missile defence as a continuing problem. More soon..