Heathrow’s third runway plan beggars belief. So don’t expect Boris Johnson to block it | Simon Jenkins

The strategy unveiled this week by the airport is monstrous – and the former London mayor has gone quiet about opposing it

I will lie down in front of those bulldozers and stop the construction of that third runway … Heathrow is just undeliverable, and the sooner we face that the sooner our salvation.”

This was then London mayor Boris Johnson’s most famous pledge, made in 2015. Expanding an airport on the outskirts of a major city, he told delighted listeners, was “the kind of thing that could...