nobody write s letters anymore. joining me is a brave doctor. nina radcliff. you ve written some fairly critical pieces on e-cigs. why do you hate them? they have done so much good. safer does not mean safe and less dangerous does not mean dangerous. what i tell my patients when they ask me about it, would they rather jump off of a 100 foot building or 50 foot one. the 50 foot is probably safer. if i use your metaphor it s like jumping off a 100 foot building and a 1 foot building. there s no tar. there s no combustible stuff coming out of the vapor. i agree with you. there are less chemicals and toxins. it doesn t mean it s safe for