If Zer0 were "afraid" he would step down... but no... he is looking to be a martyr for the leftist cause. If some Jihadist with a suicide bomber vest takes him out, history writers will just revise history to saw it was some right wing TEA Party honkey that hates black people.
Oswald was basically jumping up and down shouting “hey, look at me!!! I’m a commie.” And the media said “what commie?...hey, see those nasty, evil conservatives over there? Probably Goldwater organized the hit.”