Under what circumstances are the killing of US citizens justified?
Here’s a report from the BBC on the “drone wars” carried out by the Bush and Obama administrations and the content of a leaked memo in which the Justice Department provides a legal argument backing drone strikes against Americans. Is this, in your view, a proper use of presidential power? Under what circumstances, if any, are such killings justified? And what, in your opinion, does the word “imminent” mean?