IMAI - Proposition 19, which would legalize marijuana, today passes by a slim 7-point margin, 48% to 41%. 12 days ago, "Yes" led by 5 points. Support is rising and opposition declining among voters age 50 to 64, who today support Proposition 19 by a 12-point margin, up from 5 points 12 days ago, and among those 65+, where opposition has softened.