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USA Today highlights a growing issue at the Minneapolis-St. Paul International airport: Muslim cab drivers refusing to transport people carrying alcohol.

The airport is expected to propose today that drivers who wish to avoid alcohol-toting passengers change the light on their car roofs, possibly to a different color. [Airport spokesman Patrick] Hogan says the move will help let airport employees and customers know which taxis serve alcohol-carrying passengers. Drivers refusing a fare won't have to go to the end of the line. "Airport authorities are not in the business of interpreting sacred texts or dictating anyone's religious choices. ... Our goal is simply to ensure travelers at (the airport) are well served."