Many Jews of my generation were inundated with the message that Israel could do no wrong. With the Holocaust still fresh in the collective memory, our families, rabbis, Hebrew school teachers, and friends told us that Israel would always be our home. They said that the Palestinians left voluntarily, encouraged by other Arabs and that the only ones who engaged in terrorist acts were the Palestinians and their allies. It was very black and white, Arabs and Palestinians bad, Israel good.

I visited Israel twice. As a teenager, I went on a teen tour, a common rite of passage for upper and middle-class…