In May, a smattering of tents was set up on this diesel-tinted green by citizens protesting against the war in Afghanistan. When I first saw them they were a mixture of students and activists and professors, voicing the conviction of 70 per cent of British people that the war is unwinnable and should end. One of them, Maria Gallasetgui, said: "We have a responsibility to stand up to what they're doing. It's immoral." She added: "We support the troops, that's why we want to bring them home. They" – she pointed to Parliament – "are the ones sending them to die."
They held up signs with pictures of maimed Afghan children, and waved them at the MPs as they walked to work. The MPs invariably looked down and away and they hurried through Parliament's iron gates......
Very early on Tuesday morning, the police came to force the protesters out, after Johnson got a court order. So now there is a clean, clear lawn again.
Well not quite