Build a second runway at Gatwick and Sussex would need to import thousands and thousands of workers. There is simply not anywhere enough labour here to fulfil demand. There is extremely low unemployment in the Gatwick area.
These workers would have to live somewhere. They would then need...
Don't forget we would need to build a town the size of Coventry in Sussex if Gatwick got the go ahead. Where would that be built? Do you think Sussex has the infrastructure to cope?
Heathrow is a hub airport, Gatwick is not.
In addition to Heathrow, I'd build another one in the North...