The intended target was Saleh Ali Saleh Nabhan, a Kenyan wanted by the FBI for questioning (how one questions someone after hitting him with a missile is classified). Reports differ widely, but I think at this point the death toll is 3 women, 3 children, 3 cows and a donkey.
http://www.news.com.au/story/0,23599,23316156-1702,00.html has at least a piece of the story.
Pentagon spokesman Bryan Whitman: "We will continue to seek out identify, capture and if necessary kill terrorists where they plan their activities, carry out their operations, or seek safe harbour."
In other words - the United States asserts sovereignty over the entire world.