With hardly one month until the 2008 presidential election in the US, yesterday’s second debate between Senator McCain and Senator Obama was a rather unspectacular event, at least from a substantive political point of view. There was little the average follower of the presidential election hadn’t heard already. However, from the perspective of international law there was one part where the candidates did give us something to think about. It was the moderator’s question regarding the possible future “Obama doctrine” and “McCain Doctrine” meaning the use of “United States combat forces in situations where there’s a humanitarian crisis, but it…