WHY THIS SPECIAL section on mobility? According the U.S. Census, nearly 10 million people age 18 to 64 have an ambulatory difficulty that could affect their ability to drive. "Driving is a gift that we can all share," says Michael Savicki, a quadriplegic athlete and spokesman for the National Mobility Equipment Dealers Association. Savicki, a naval officer, had a diving accident during flight-school training in 1990. One morning at the rehab center, a physical therapist dropped a set of car keys on his bed.
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