Regarding the references in the movie, to assume that the plot is historically accurate is naive, let's just say it is allegorical. True, in this same idealized manner the politicians in Israel should be practicing Kumbaya. On the other, it is obvious that the status quo will no longer work
Preliminary report: Palestinian stabs man near Damascus Gate, Jerusalem (Haaretz)
from the article: Why Israeli leftists must see 'Lincoln'