State Department officials worry that Trump will be a foreign policy 'madman'
Donald Trump speaks at a campaign stop at the Mid-America Center in Council Bluffs, Iowa (Gage Skidmore/Flickr)

Foreign policy is a tricky beast for any new president, at any time. But 2016 presents some particular international challenges: ISIS, Syria, Russia and the Ukraine, Russia and Syria, China and Iran (to name just a few). When a new president is on the way, traditional adversaries might test the waters a bit by, say, seizing…