Ride-along: How police check for impairment

A new law has made it easier for police to test drivers for alcohol and drugs. CBC's Kayla Hounsell got a first-hand look at how police check for impairment. »»» Subscribe to The National to watch more videos here: https://www.youtube.com/user/CBCTheNa... Voice Your Opinion & Connect With Us Online: The National Updates on Facebook:   / thenational   The National Updates on Twitter:   / cbcthenational   »»» »»» »»» »»» »»» The National is CBC Television's flagship news program. Airing six days a week, the show delivers news, feature documentaries and analysis from some of Canada's leading journalists.