Lifeboat crews must be aged between 17 and 45, live or work in Cleethorpes, be physically fit and not colour blind.

BBC: Cleethorpes RNLI lifeboat crew seeks volunteers

Although the voters of Illinois now seem to want to turn her out, Democratic leaders are not yet that colour-blind.

ECONOMIST: Illinois politics

South Africa's brief experiment with colour-blind government died, and was not revived until Nelson Mandela's triumph in 1994.

ECONOMIST: South Africa