In 1969, the height of the Sixties’ cultural revolution, Pew found that only 12 percent of Americans supported the legalization of pot. Fifty years later, 67 percent of voters support it. Virtually every candidate on the Democratic presidential slate backs some form of marijuana legalization. Even the Trump administration has left states to manage their own business on the matter. This year, at least one candidate supports going further and decriminalizing all drugs. On Sunday, Fox News’ Chris Wallace pushed Iowa caucus winner Pete Buttigieg to explain his support for the “decriminalization” of all narcotics. First, he asked Buttigieg whether...