Candace Lightner is the Founder of Mother's Against Drunk Driving (MADD) and We Save Lives.  She became an unintended advocate when her 13 year old daughter was killed by a drunk driver.  She later founded We Save Lives to further educate and influence the public about (the 3D's) Drunk, Drugged, and Distracted driving.  If you want to understand what it takes to overcome obstacles then Candace Lightner is the episode for you.