Men often take dumb risks by pounding drinks they should probably skip. It may have seemed like such a dumb stunt when former Democratic Colorado Gov. John Hickenlooper threw back a shot of fracking fluid — but in fact it was perfectly safe. Hickenlooper knows what so many liberal environmentalists deny: The cocktail of water and chemicals that gas companies inject into the ground as part of the fracking process isn’t “poisonous” at all. He also knows what his party’s most popular figures could never admit: Fracking is a safe process that creates jobs, brings down energy costs, and helps...