CNN CNN Newsroom December 21, 2013 16:53:00
Now that many in america are so opposed to smoking they're stigmatizing some say could save lives. you get angry when people try to fight this. >> because it worked for us. we saved our lives with this product. >> i wouldn't be so angry if people took the time, our elected official took the time to get educated. they're not, they're reacting. >> reporter: so after decades of fighting big tobacco, what does the american cancer society think? >> cautious optimism with a number of caveats. anyone right now using an e-cigarette does not know what they're inhaling. >> reporter: but there's this -- ...