主题:How to decrease motor vehicle accidents related with high BAC(blood alcohol concentration)
P1: BAC is highly related with vehicle accidents.
several facts are listed to support this point.
P2: To introduce Solution One: higher taxes on alcohol.
P3: To introduce Solution Two:breath test and elevated BAC can be the basis of arrest. But this solution is not effective.
P4: To introduce Solution Three: therapeutic program which is not effective either.
The author intends to call for an effective solution to control alcohol in order to reduce traffice accidents and injures.