Sad and frusturated?

hey people. i just, want to know why we have to go through this. why there are terrorists? why that one dude Bil something-or-other put that freaky video. i mean why people why? i am jst sad bout that. otherwise dissapointed in usa troops, who bomb inncocent people. did yall hear about the little girl, who dissapeared in portugal? and they think the parents did it? i want to know what happend cause she was sooo cute?? please answer if u know what i am talking about...