So they can kill American citizens engaged in combat? Great. What's combat?
Holder said not only would lethal force be inappropriate (he actually started by saying "with the facts you've provided we wouldn't even be able to arrest the person"), but that the Constitution would not permit the Administration to use it.
They are playing really fast and loose with the lexicon they use.
"The condition that an operational leader present an ‘imminent’ threat of violent attack against the United States does not require the United States to have clear evidence that a specific attack on U.S. persons and interests will take place in the immediate future"