A new public service campaign breaking next week for Austin, Texas’ Live Tobacco-Free program makes the point that secondhand smoke is a danger wherever it occurs, indoors or out. Conceived by Sherry Matthews Advocacy Marketing, Austin, and directed by Scott McCullough, the new 30-second spot, in English and Spanish versions, shows a large tanker truck driving through Austin as a worker in a haz-mat suit sprays unsuspecting residents with thick, billowy clouds of noxious fumes.