The most exciting television this weekend was not Line of Duty, but a moment in Doctor Who. An episode called Thin Ice, set in 1814 London at the time of the Thames Ice Fair, and the moment comes as the Doctor confrons Lord Sutcliffe, who has developed an unorthodox bio fuel supply chain – including a captive alien – to ensure that his mills are powered and his business prospers:
Sutcliffe: I made the most of the situation.
Doctor: What makes you so sure that your life is worth more than those people out on the ice? Is it the money? Is it the accident of birth that puts you inside the big fancy house?”
Sutcliffe: I help move this country forward; I more this empire forward
Doctor: Human progress isn’t measured by industry. It’s measured by the value you put on a life. An unimportant life. A life without privilege. The boy who died on the river, that boy’s value is your value.
On Friday evening I went to see 



