It’s certainly been a week for portraiture. Jonathan Yeo’s study of His Majesty has provoked many a reaction. The painting was described by this magazine’s Alexander Larman as ‘accomplished, intelligent, and conservative’; conversely, Jonathan Jones, in a scathing polemic for The Guardian, gave Yeo’s efforts a measly one out of five stars, labelling it ‘facile pseudo-portraiture’ and ‘a masterpiece of shallowness’.