Because his people are nothing more to him than "expenditures" in obtaining what he wants, domination.
This is a man who will not allow UN inspectors into his country but will allow liberal news media in so they can video his starving populace, claiming the starvation is the result of the U.S.-backed embargo, in order to play on the sensitivities of Americans.
The barbarians in the present case are the Bin Ladens, Husseins, etc., who seek to destroy America using the only effective weapon at their disposal: the blind, emotional rants of anti-U.S. "peace-lovers."
It's a shame that those like Don Roberts and littlehammer cannot or refuse to see that in undermining what is right (U.S. retaliation), they are automatically advancing what is wrong (Bin Laden, terrorism). But I guess the only thing that matters to them is that they feel better about themselves.