ROBERT HARDMAN: I’m the first journalist allowed inside Heathrow’s giant new Operations Centre. Here’s what it’s like – and how its boss was asked by the King: Can you stop disturbing my siestas?

The wall is covered with live screens stretching so far that no one person can possibly keep an eye on all of them. One is reporting updates on around a dozen minor incidents.I see that an ambulance is on its way to check-in at Terminal 3, for example, or that the...