McCain urges end to 100-hour work weeks in Navy after collisions

U.S. Senator John McCain called on Tuesday for an immediate stop to U.S. sailors working over 100 hours a week as top Navy leaders struggled to explain a series of fatal naval collisions in the past few months.Earlier this month, the Government Accountability Office government watchdog said that a reduction in crew sizes was contributing to safety risks, with some sailors working over 100 hours a week."I think I know what 100 hours a week does to people over time and that has been standard proce