Adds Syrian leader with Prince Charles to meeting with Queen

1. Wide shot of Syrian President Bashar Assad and his wife Asma entering room 2. Assad and Asma being greeted by Britain s Queen Elizabeth II and standing together for the cameras 3. Prince Charles waiting in doorway for Syrian President Bashar Assad 4. Assad s car arrives, he gets out, shakes hands with Prince Charles and they walk inside 5. Cameraman STORYLINE: Syrian President Bashar Assad met Queen Elizabeth II at Buckingham Palace on Tuesday. Assad, who is in Britain on a threeday offi