Nancy Lawton’s epiphany, complete with blinding flash, came on the road to a friend’s house. “Through the trees, a bolt of sunlight opened and blinded me,’’ she says. “I braked and went into the car in front of me.’’ The other car was fine. Lawton’s Honda was totaled. As was her ability to keep denying her problem: After a lifetime of liberty behind the wheel, she had reached the point where she shouldn’t drive any more.
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