"Greeting the security staff, Mackay led Liz through the atrium into a busy and attractive restaurant. The tablecloths were white linen, the silver and glassware shone, and the dark panorama of the Thames was framed by a curtained sweep of plate glass. Most of the tables were occupied. The muted buzz of conversation dipped for a moment as they entered. Leaving her coat at the desk, Liz followed Mackay to a table overlooking the river. "This is all very nice and unexpected," she said sincerely. "Thank you for inviting me." "Thank you for accepting." "I'm assuming a fair few of these people are your lot?" "One or two of them are, and when you walked across the room just then, you enhanced my standing by several hundred per cent. You will note that we're being discreetly observed." She smiled. "I do note it. You should send your colleagues downriver for one of our surveillance courses." They examined the menus. Leaning forward confidentially, Mackay told Liz that he could predict what she was going to"