Changes to Tasmania’s drink driving legislation have just cleared the state's Upper House. Some of the changes – there are roughly 71 pages of them – seem perfectly logical. For instance, there will now be zero-alcohol restrictions for drivers transporting dangerous goods, and there will be a ban on Tasmania Police using samples taken from drivers in their DNA database. However, a few of the changes smack of possible over-reach: Unlocking Your Car – What is "driving" a vehic