Scare tactics and catchy slogans don't work, many experts now say. But if that's the case, then how best to keep people from becoming addicted to drugs or alcohol? We find out what works, what doesn't, and where most efforts take place: While many look to schools, our guests say it requires a much broader approach. This program is part of NHPR's Crossroad project, a station-wide look at the addiction crisis and its impact on the state.