Vietnam was pointless - the US kept fighting it because they didn't want to give up the point. Continuation of this idiocy led to worse disaster and more bluster to continue proving it had a point. This is the siege. The siege didn't work - hell Cast Lead didn't even work. Yet Israel intends to prove that they were right. It's like betting all your money on a horrible hand at poker because you think it will make for a better hand.
In Cameroon, suicide bombing toll rises to 19 dead, 143 wounded (Reuters)
from the article: A Special Place in Hell / The Second Gaza War: Israel lost at sea