Manchin is a corporatist centrist - a pro-life version of Mark Warner or Evan Bayh. Jim Webb is a cultural reactionary populist. They are both good in their own ways, but they are very different animals.
Not sure about that... pretty "liberal" views on affirmative action for Black Americans, for example.
Supporting affirmative action for blacks only is the cultural conservative position... give them a shot of adrenaline to catch up with whites through individual endeavor, and over time, it will no longer be necessary. Saying that this should be extended to other minorities by virtue of the fact that they aren't white is the "liberal" view.