a weak negative

The most obvious riot potential situation is one where there is a ritualized display of force by haters or hatees.

Another qualitative test which should be performed during the geometric model study is the injection of neutral buoyancy smoke into the roof and hopper regions of the collection chamber, particularly near the outlet, to check that significant amounts of gas are not exiting the precipitator without passing through the collecting plates (' ' sneakage' ' ) and that there are not strong flows in the hopper regions (hopper sweepage) which could cause excessive reentrainment.

So when political leaders parrot the tobacco company line, say cigarettes are not necessarily addictive, and oppose our efforts to keep tobacco away from our children, they continue to cater to powerful interests, but they're not standing up for parents and children.