Having security personnel is not enough to protect you from bombs, bullets and rockets while you're on the move. Behold the season of the personal tank, cocooning presidents and kings as well as the rich and famous.
The world is a dangerous place. Witness the security exercise surrounding President George Bush’s state visit to the UK.
Since 11 September, grenades at Gatwick, missiles at Mombasa and bombs in Bali have left many of us feeling less safe than ever before under today's enigmatic terrorist threat.
