An absurd vanity project for our age – Boris Johnson’s garden bridge | Rowan Moore

This scandalously mismanaged ‘gift to the people of London’ will cost the taxpayer £43m. For nothingWe are invited to embark on an adventure. It will be an emblem of the enterprise of a proud people. Its cost will be zero, or not much, or a sum that, if quite large, will absolutely be worth it. Naysayers are pooh-poohed. Practical objections are for losers. A deadline is imposed, meaning we have to rush ahead with it at all costs. And driving it all forward are the quipping, gu