[RedWulf]

Politics is about group identity. Hardcore supporters are impossible to change because membership in the group is the only thing that matters.

[ChinaGotTheGoodsOnClinton]

Watch the TedTalks video. Well worth the 15 minutes to understand this.

[DiogenesLamp]

Politics is about group identity. Hardcore supporters are impossible to change because membership in the group is the only thing that matters.

And this is pretty much true and accurate.