...  presidents went on putting people in jail for something they got away with. Their fellow citizens, however, are increasingly skeptical about the drug war. Last year, Gallup found that 50 percent of Americans now favor legalizing cannabis, with only 46 percent opposed. The sentiment may lead to action. On Nov. 6, residents of Colorado, Oregon and Washington will vote on ballot measures to allow the regulated production, sale and use of pot. In Colorado, which already has a large network of medical marijuana dispensaries, familiarity has bred acceptance. One of the most noteworthy headlines of 2011 came on a news release from Public Policy Polling: “Colorado favors gay marriage, marijuana use, loves Tebow.” Affection for the Denver quarterback may have ebbed since he went to the New York Jets, but The Regulate Marijuana Like Alcohol Act of 2012 is leading in the polls. Weed would remain illegal under federal law, but good luck to the feds trying to enforce that ban if a state abandons it. As the Drug Policy Alliance notes, medical marijuana has gotten established over the objections of Washington. Critics raise the usual alarms. Obama’s Office of National Drug Control Policy charges that “political campaigns to legalize all marijuana use perpetuate the false notion that marijuana is harmless. This significantly diminishes efforts to keep our young people drug free and hampers the struggle of those recovering from addiction.” But very few people portray marijuana as harmless. The claim, grounded ...