Final answer:
Isabel Kershner's statement suggests that Israelis and Palestinians need to reach a consensus on how to live together in order to avoid the situation falling apart.
Step-by-step explanation:
Isabel Kershner's statement in the last section supports the idea that if Israelis and Palestinians do not rise above their conflicts and reach a consensus on how to live together, their situation will eventually fall apart. The statement implies that consensus and cooperation are necessary for a sustainable solution. However, the lack of trust and ongoing violence between the two sides has prevented the implementation of agreements like the Oslo Accords, leading to an uncertain future.