"It was the best of times, it was the worst of times, it was the age of wisdom, it was the age of foolishness, it was the epoch of belief, it was the epoch of incredulity ..." We are just a couple of weeks into 2021 and yet that famous opening from Charles Dickens's A Tale of Two Cities has never rung truer.

Time to think smart : current travails suggest we need a radical overhaul of the way we tackle problems.