Ahh the old self defense argument pops up here and there. It's like Whites in the American south claiming self defense while persecuting there slave captives. Israel is responsible for the welfare of even Hamas members in Gaza that's the jailer role Israel chose for it's citizens. So sure Israel can defend itself but not against itself.
Iran's Parliament speaker says he supports nuclear deal (AP)
from the article: Goldstone tells Obama: Show me flaws in Gaza report