But the tunnel he and Steelman use one day may not be there the next time the two venture down.

CNN: workers

Puerto Rico's last constitutional plebiscite, in 1993, brought a narrow win for the status quo (plus some added garnishes which may not be on the menu next time).

ECONOMIST: Empire in the Americas

Or in other cases, studies with negative conclusions may never be published, so next time you'll hear a piece of advice about what you should or shouldn't be eating or drinking, consider the source.

NPR: Researchers Find Bias in Nutrition Studies