Recently, a task force of the International Association of Transportation Regulators representing 15 U.S. and Canadian cities said it is planning to release a set of guidelines aimed at reining in smartphone livery services such as Uber, a recent article in The Wall Street Journal reported.

FORBES: An 'Uber' Problem for Cities: Balancing Innovation with Regulation

The American Federation of Government Employees, a labor union representing 625, 000 federal employees including 40, 000 transportation security officers, would like to see a more comprehensive, independent study focused on TSA employee exposure.

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