I’ve expounded on this blog at great length in recent years on the unreliability and inaccuracy of the various machines used to measure the breath of citizens accused of drunk driving.  See for example,  "Trial by Machine "– But How Good Are the Machines?.  I’ve also blasted the unconstitutional laws of most states which presume the accuracy of [...]

Read the complete post at http://www.duiblog.com/2009/07/10/california-supreme-court-dui-accused-permitted-to-defend-self-with-truth/