As a recently turned non-smoker, a proposed smoking ban on Chicago beaches caughy my eye. The idea is two-fold: to protect public health and cut down on litter. Cigarette butts are the biggest component of litter collected on beaches, representing 42 percent of all trash. Can a ban like this be enforced in such a large city? If you'd like to participate in the annual cleanup, it's this Saturday starting at 9 am.