Those who admire our pillar of political integrity and judgement, Speaker John Bercow, might well spot him at his favourite curry house, Madhu’s at the Sheraton Skyline hotel, Heathrow Airport.

Bercow opened Madhu’s in 2014, and four weeks later accepted a £5,000 donation from them to his 2015 re-election fund.

Now some unkind Westminster types are saying that the arrangement is a bit smelly, and not specifically in the vindaloo sense.

As if…