More than two years after Coloradans voted to allow recreational marijuana use, the state’s residents continue to stand firmly behind keeping the drug legal, a new poll found. The survey, commissioned by Quinnipiac University, found that 58 percent of Colorado voters support keeping pot legal, while only 38 percent are against it. The result featured significant gender and age disparities. Voters ages 18 to 34 favored it overwhelmingly, 82-16 percent, while 50 percent of those ages 55 and older were against it, with only 46 percent in support. Likewise, men supported the measure by a margin of 63-33, while women...