By Fareed Zakaria
After the debacle of the Iowa caucuses, the old quip attributed to Will Rogers seems just right: “I am not a member of any organized political party. I am a Democrat.”
Actually, that broad Democratic coalition encompassing Southern segregationists, working-class union members and Northern liberals used to be one of the party’s electoral strengths. Today’s coalition is much less ideologically diverse, but the central challenge remains to bring it together and energize voters.