The Critics

The great Belgian painter could enliven the most mundane scenes

The exhibits missing from the globe’s galleries and museums

On opera’s flirtation with current affairs

A new nostalgia listening to GUTS

An exhibition of the art of Gwen John secures her legacy

A new exhibition offers interesting, if sometimes confusing, perspectives on women in revolt

Living Architecture is opening minds and changing taste

Critics should not drown this much-needed revival in emotive clichés

Radio 4 celebrates the limited talents of Joni Mitchell

Covering a French spy thriller, a documentary on Eichmann and a British government drama