What founders of Zionism are you talking about? Weizmann, Jabotinskly, Ben-Gurion? How do you know? Didn't Ben-Gurion initiate the practice of censoring the truth, eliminating the Revisionists? You clearly don't know what you are talking about. Nobody is perfect so don't hold IZS above the standards you apply to yourself or others.
UN agency warns school may be delayed for Palestinian refugees due to lack of funding (AP)
from the article: Education ministry revising textbook for being too critical of Israel