The way I see it, like with rival inner-city gangs, this is a battle between two different terrorist groups, namely Hezbollah and Israel, with civilians who happen to habitate the ground these tiffs are settled on as spectators and more often than not, the greatest "casualties".
While Hezbollah may be involved in Lebanese politics and may have a political wing, it is as absurd as holding all of the US population responsible for the actions of the radical Christian-right wing of the Republican Party.
27 Lebanese civilian deaths is a proportionate response for 2 military members being held hostage?!?!? Wow, the exchange rate must be worse than I thought!
While much hand wringing goes on about Iran (and I agree with some of it, by the way), to mention Isreal is talk about a rogue state, with weapons of mass destruction that routinely threatens it's neighbors. But in the trite political view of the US-- "but at least they are OUR sons-of-a-bitch"