Michael Rubin : The problem is that the US has a very large military and it spends more than any other country on its military. Alas , fiction can trump reality for only so long : North Korean nuclear tests belie the progress it made against the backdrop of diplomacy . Negotiators should draw lessons from North Korea talks , Rubin says . Essential negotiators make use of leverage over Iran , he says .
Michael Rubin : The problem is that the US has a very large military and it spends more than any other country on its military. Negotiators should draw lessons from North Korea talks , Rubin says . Essential negotiators make use of leverage over Iran , he says .