Your regular Critic round-up of the hottest shows and films.

New claims about the costs of obesity are wildly exaggerated

We should not pollute good causes with unreliable information

Populist political victories do nothing to change the reality of progressive institutional dominance

We are entering a new age of great power competition

Self-styled internationalists are failing them

Bluesky is a reminder of an earlier form of smug spitefulness

Ethel Smyth: 2nd sonata &c (Delphian)

Britain has been reduced to selling a cheap simulacrum of its history

There are no easy answers when it comes to mental health