Meet a baby boomer who made a career change to substitute teacher. She loves the work-life balance and freedom to travel.

Meet a baby boomer who made a career change to substitute teacher. She loves the work-life balance and freedom to travel.

Donna, not pictured, said she has the best work-life balance as a substitute teacher.skynesher/Getty Images <ul><li>Donna, who is in her 60s, has made a few career changes in her lifetime.</li><li>S… [+4650 chars]

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