We can and should expand aviation capacity in south east England. Doing so will send a much needed signal to people that Britain is open for business.
It is possible to expand Heathrow in such a way that it cements itself as Europe's number one hub, while significantly reducing the noise nuisance over west London. A four-runway airport would be straightforward to construct and relatively low cost by the standards of hub airports. It causes the lowest level of disruption to the wider economy of any likely airport expansion scenario.
In fine bombastic Boris style he described himself as an aeronautical Bill Cash, unable to let go until he had changed the status quo.
The Mayor of London challenged the Prime Minister today over his demotion of Justine Greening and vowed to fight any expansion to Heathrow.
Jeremy Hunt and Chris Grayling landed promotions as David Cameron sparked minor controversy in reordering his Cabinet for the first time.