The Labour Party ?
Imagine a pack of starving hyenas put in a cage into which is thrown a single live chicken.
Ed Balls though, instead of chasing the chicken like all the others, he would first kill and eat the rest of the hyenas and then eat the chicken.
http://www.telegraph.co.uk/news/politics/labour/8566983/Labour-coup-secret-letters-reveal-how-Ed-Balls-plotted-to-overthrow-Tony-Blair.html
