Smoking rates are at their lowest, but it has been a long and expensive struggle. Promoters of cigarette smoking have included not only tobacco companies but advertisers and even the US government.
Economic tactics play a big part in a habit that's hard to break.
California has one of the nation's lowest cigarette taxes, due in large part to a powerful tobacco lobby. The power could shift this fall, if a voters agree to raise taxes by $2 a pack.