The National Traffic Safety Board (NTSB) has started a conversation about lowering the DUI (driving under the influence) threshold to 0.05% BAC. While DUI is governed by state law, a common threshold level is 0.08% blood alcohol concentration (BAC).
The NTSB called drunk driving an epidemic. Canada has been using the 0.05% BAC threshold for quite some time.
There are so many questions raised by this suggestion, it should be a fiery topic of discussion and debate.