Paying protection money in the form of food for the cowbird nestling thus looks a good deal from the warbler's point of view, and explains why cowbirds do not need to disguise their eggs to look like those of prothonotaries.

ECONOMIST: How cowbirds run protection rackets

But since the local-food movement looks suspiciously like old-fashioned protectionism masquerading as concern for the environment, helping poor countries is presumably not the point.

ECONOMIST: Ethical food

But now, it looks like food and beverage companies will no longer be able to ignore their own supply chains as they have for the last 100 years.

FORBES: Mars, Nestl�� Commit To Better Chocolate, For All