PUMAs, for those who have forgotten the 2008 Democratic primary race, were the supposedly-numerous Hillary Clinton supporters who refused to back Barack Obama. The name stood for "Party Unity My Ass!" which was also their rallying cry. This year, they may be replaced by the "Bernie Or Bust!" crowd, or (to coin a neologism) the BOBs.
New Rule: You Can't Use "There Will Be No Cooperation for the Rest of the Year" as a Threat If There Was No Cooperation in the First Half of the Year
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