Barak expects Israeli's to be living in a some kind of fantasy world. The likelihood of a Regional war increases daily and all he can say is don't panic and they wouldn't dare. This isn't Defense! This is the behavior of the person who puts his head between his legs and then hopes for the best!
We want Iran cooperation, not meddling, Gulf Arabs tell Kerry (Reuters)
from the article: Israel's enemies wouldn't dare launch chemical attack, Barak says