Wait to get behind the wheel after using marijuana

I came across a couple of reports that had to do with automobile accidents and marijuana use.

According to data from the AAA Foundation for Traffic Safety, “the percentage of drivers in fatal crashes who recently used marijuana more than doubled between 2013 and 2014 in Washington state” and “one in six drivers involved in fatal crashes in the state recently used marijuana in 2014.”

I have nothing against marijuana. I don’t smoke it, but I have friends who use it for recreational and medicinal purposes. When it comes to people and drug use, I live by the idiom of “to each his (or her) own” — a...