As an educator, Tom McMahon has experience at the elementary, junior high, senior high, and college levels, including twenty years as a professor of counseling and psychology at Ohlone College in Fremont, California. His collection of advice for parents of teenagers, "Teen Tips, " is available from Pocket Books. Tom McMahon writes a weekly newspaper parenting column for "The Oregonian, " is a frequent guest speaker on parenting, and has appeared on numerous radio and television shows including "Oprah, Good Morning America, " and the CNN and Fox television networks. He resides in the San Franci...