There are smoke-free offices, smoke-free bars, smoke-free malls. Could smoke-free apartment houses and condo towers be next? Scattered apartment units across the state already ban smoking. But early next year, the Department of Public Health plans to survey landlords, condominium associations, and tenants about the feasibility of making smoke-free residential zones the norm, rather than the exception. There could even be a state-run registry to connect tenants with landlords and condo boards that offer developments entirely devoid of smoke. The state review emerges as an influential coalition of health and housing officials is issuing a sweeping call to make smoke-free...