U.S. reaches anti-smoking milestone More than half of Americans live in smoke-free jurisdictions NBC VIDEO?/font>Milestone in push for smoke-free living Jan. 20: Thirty years after it started as a quirky movement in Berkeley, Calif., the push to ban smoking in public places has reportedly reached a national milestone. A non-smokers' rights group says more than half of all Americans live under smoke-free laws. NBC's Mike Taibbi reports.
