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How young is too young to leave a child alone? Young dog walker sparks debate

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The law on when adults can leave a child alone varies by state and is often open to interpretation. When a neighbor of a Chicago-area mother called police and child services to complain about an 8-year-old girl walking her dog by herself, the incident sparked a debate about responsibility and modern parenting. NBC’s Kristen Dahlgren takes a closer look for TODAY.