Specifically Newt around Vince Foster's death. You can trace the roots of a lot, a _lot_, of today's utter partisan obstructionism and foolishness — mainstreaming fringe conspiracy theories with the explicit and openly espoused purpose of wedging the other party regardless of its goals — to Gingrich making Vince Foster's death an unending headline news story.

I mean christ, Trump _still_ brings up Vince Foster.