Posted: "..When did pro-peace political positions become only left wing?" History shows that the left wing is always pro-peace and the right wing is always pro-war and are incapable of peace. Posted: "..Does that mean all right wing (or republicans in USA or Likud in israel) are incapable of peace?" History proves that to be true.
Clashes in Nabi Saleh leave soldier, officer and Palestinian lightly wounded (Haaretz)
from the article: U.S.-Israel tensions ignite 'war of words' among Israel lobbies