“If you know the enemy and know yourself, you need not fear the result of a hundred battles.” – from The Art of War, by Sun Tzu, 6th century BC. Lately there’s been a lot of chatter about PE Obama’s choice of conservative evangelical pastor Rick Warren to deliver the religious invocation at his January 20 presidential inauguration ceremony. The controversy surrounds each man’s stance on gay rights – particularly marriage. Only, this post is neither about gay marriage nor…