Marijuana Legalization in Canada and Michigan

[O3H]

Just because you can go into Canada, and get seriously stoned,
does not - mean the USA side has to let you back into the country.
Pretty sure some border agent will be tossing folks in the clink,
to ""sober up"" and think about their actions in a FOREIGN COUNTRY.

Roadside saliva-testing devices were authorized by Bill C-46, a massive overhaul of Canada’s impaired driving laws that passed in June. Police can lay criminal charges based solely on a driver’s level of THC in the blood, without having to further prove impairment.