Kibbutz Kfar Aza was devastated in the Hamas-led assault of Oct. 7, with its residents killed and kidnapped. Some see the prospects of its rehabilitation as a barometer for Israel’s future.Kibbutz Kfar Aza was devastated in the Hamas-led assault of Oct. 7, with its residents killed and kidnapped. Some see the prospects of its rehabilitation as a barometer for Israel’s future.