I argued last week that Rick Santorum ought to drop any pretense of a long-shot 2016 presidential bid to focus on turning EchoLight Studios, the filmmaking outfit he runs, into the next blockbuster factory. That generated a bit of a discussion with Quin Hillyer, one of Santorum’s more well-known supporters (a summation of which can be found here)—but it’s worth exploring further how Santorum could make an impact upstream from politics. The primary reason conservatives are struggling at the ballot box, particularly in presidential elections that attract many low-information and less-engaged voters, is that liberals dominate the cultural media. Hollywood’s...