The National Transportation Safety Board is advising states to lower the Blood Alcohol Level that defines drunk driving from .08 to .05, which they say is the level at which many drivers’ vision can be affected. NBC’s Tom Costello reports.May 14, 2013
UP NEXT
'I'm still shaking': Little Rock residents reflect on destruction in tornado's aftermath
01:32
At least one person killed, multiple injured in Illinois roof collapse
00:42
Axiom astronauts discuss upcoming mission
06:04
Father plans to sue Long Island school district after daughter was attacked
02:50
Activists call out anti-trans legislation on Transgender Day of Visibility
03:13
7 California officers and nurse charged in death of man in custody