Like anyone else I don't condone drinking and driving, and think we should continue looking for ways to reduce/eliminate it.

That said, I am absolutely opposed to our current drunk driving laws and even more so against the changes proposed here.  In the name of drunk driving unlike any other crime, police are allowed to infringe upon rights which we should hold sacred.  Worst of all, people are being convicted of a crime based on a computer's attempt (through many calculations and 'assumptions') to deduce blood alcohol from someone's breath.  If you're not educated on this, read more - people are being convicted having never drank anything, the machines can easily have false positives.  Breathing into a machine is no way to ruin someone's life.  And don't get me started on requiring people give their blood to police based on suspicion.