Apollo theatre, London Jonathan Lynn's farewell to the beloved parliamentary sitcom casts Griff Rhys Jones as ex-PM Jim Hacker, making one last call on his wily consigliere Death comes to us all but, slightly before it, so too does that period when no one's certain whether you're still around. "I'm not dead," splutters Griff Rhys Jones's Jim Hacker in this Yes, Prime Minister reboot. "I'm in the House of Lords!" The …