Tobacco-control advocates would likely gain an ally in Supreme Court nominee Elena Kagan, but she would be conflicted out of voting on some key tobacco cases … State budget cuts mean less scrutiny over alcohol sales to youth in Missouri … Domino theory: Colorado advocates say the state’s medical-marijuana law lays the groundwork for outright legalization of the drug … Raves and ecstasy overdoses go together like, well, raves and ecstasy use, the CDC says …