[Sideshow Bob]

Oh come on! How could he have a worse temperment than Hillary?

OK, I'll give some ground here.

If you cross McCain, your body won't be discovered in Ft. Marcy Park with a self-inflicted gunshot wound.

But McCain is known almost universally as one of the most ill-tempered politicians in recent memory.

Shrillary may be worse, but not by much.

[DannyTN]

Oh yeah, there is that Arkancide phenomenon.