According to the Right humanity is always in danger of backsliding into barbarism, so we should respect customs in sexuality, religion and public propriety, even if no one can articulate their rationale, because they are time-tested workarounds for our innate shortcomings. In contrast the Left has a Utopian Vision, which emphasizes the malleability of human nature, puts customs under the microscope, articulates rational plans for a better society and seeks to implement them through public institutions.
From: The Stone, Why Are States So Red and Blue?, October 24th. 2012.