But in a recent report the Hamilton Project, a moderately liberal research group, notes that the number of foreign workers in America has been declining for some time.

ECONOMIST: Skilled immigration

Some of the foreign-born workers who prepared the basil products have tested positive for Cyclospora.

ECONOMIST: A bug with social aspirations

The government wants to introduce an American-style green-card scheme, but it seems implausible that it would allow in enough foreign workers to make up for the demographic shortfall, even if they all learned Japanese: by some estimates that would require about 600, 000 immigrants a year.

ECONOMIST: Insiders and outsiders