SOMETIMES tragic occurrences force us to stop and think – those are the moments that crystallize our perceptions of human relations. I found myself in such a state with the passing of a constituent, friend and fellow conservative who also happened to be gay. Our conversations convinced me that my beliefs in limited government can be shared across the chasms that liberals and conservatives perceive to separate us – ethnicity, gender and sexual orientation. That conclusion is not popular on either side of the left-right spectrum: Liberals don't believe gays should be conservative and conservatives don't believe gays can be...