The Republicans are synthesizing a higher-octane blend in their bid to fuel Americans’ anxiety about rising gas prices. The Republican National Committee sent out talking points instructing party faithful to take up the issue. House Speaker John Boehner (Ohio) urged his caucus to do the same. And, on Wednesday, the House energy committee obliged: The Republican majority called in a bunch of oilmen for a hearing dedicated largely to blaming President Obama for high gas prices. . .