By Kevin R.J. Schroth I know firsthand the damage smoking can do to a person. My father — a marine, a judge, and a smoker — was the driving force behind my decision to become a lawyer, and later, a tobacco control lawyer. Like many smokers, he started around the time he entered college. He eventually quit with continuous encouragement from me and my siblings. Still, the damage had already been done. Although he fought bravely, he could not hold off cancer. Smoking kills nearly half a million people annually) in the United States. About 90% of smokers begin by 18 when many young people are ente…