Power really can corrupt people. Here’s what to do about it

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Over recent weeks, the UK parliament has been beset by accusations about powerful men sexually harassing female MPs, journalists and party activists.

Those revelations followed hard on the heels of similar claims levelled against big names in Hollywood. Most recently, the leak of financial documents known as the “Paradise Papers” exposed a network of tax-avoidance schemes used by the world’s super-rich and famous.

A cascade of damning revelations about those in positions of authority, high-level instances of sleaze, avariciousness and dishonesty is hardly new of course. In