Some call him Patient Zero: the virus that infected the world financial system was transmitted from a genteel square near Harrods. If you wait patiently in Knights-bridge you will see him, and he appears not to be a risk-taking type. He puts on his red crash helmet and cycles greenly off across the city, politely declining to comment on global calamities. This does not look like a person waiting at the curtains for the arrival of the FBI.
Can one man in London really be to blame for the collapse of capitalism?