The American street artist Shepard Fairey created a poster for Barack Obama’s presidential election campaign. It was 2008 and the simple red, beige and blue stencilled image of Obama’s face over the word “HOPE” quickly became the iconic image of the election, the rallying cry around which it was fought and won. It remains the enduring image of his presidency.
But it is also now a reminder of promised hope ultimately unfulfilled, and many artists might have concluded they would stay away from politics in future as a result. Instead, Fairey has been at the centre of a