The first rule of being a good dinner guest - always show up with a good bottle of wine.  But who says it has to be 'liquid'?  Especially if your host and hostess skip the cocktails and vino altogether. Our suggestion:  Plan ahead and bring a bottle everyone can really dig into - with forks, that is.  Like this fabulous representation of an Estancia Merlot.  It doesn't need to taste like "bright cherry fruit with hints of cedar and pepper."  You can create a flavor combination all your