Nicholas Laughlin's blog etc.

...although we live in a time that sets great store by measuring progress ("research" in academic parlance) in precisely demarcated areas of knowledge, real advances are often made by people happy to muddle along within the splendidly vague job description advanced by Susan Sontag, whose "idea of a writer [was] someone interested in 'everything'". Why, realistically, would one settle for anything less?

-- Geoff Dyer in today's UK Guardian, writing about "gatecrashing the experts' party".