No, I'm not referring to marriages between blacks and whites, or Christians and Jews. I'm talking about marriages where one person is liberal and the other is conservative. To be more specific, I'm writing about my own marriage and I invite my esteemed AT readers to offer their advice. My husband and I were liberal Democrats for most of our lives. On occasion we used to talk about couples who were not politically aligned and wondered how they dealt with that in their relationship. Did they argue? Did they just not talk politics? Were they able to have interesting discussions...