I submit that there is one more type of Democrat to add to Syl's excellent post I think I understand below.
Type C discussed in gateway's post Al Gore Arrogates Himself the Right to Ignore His Past.
Type C believes that right and wrong is relative to party. Ergo if the guy has a D behind his name....it is ok fine to do all sorts of things.
Trump Won His Primaries With Democrat Votes
30 minutes ago