>> i teach fraga class is in the international politics this semester and i'm teaching one course called temporary debates and international security, and there is a class that looks at what our people arguing about in foreign affairs for international security. what are the cutting edge debates and then i have the grand strategy and historical perspective which is a book class about the imperial management where we start with the romans and then go up through the ottomans, the germans, the japanese come and we end with the era of american. so the senior seminar if you will and it's covered a lot of history. spec what was your area of expertise on the national sycophant council? >> principally on europe, and you may recall but the first term of the clinton administration was bosnia, the balkans was coming undone so i basically did everything but the balkans because anyone can touch the balkans disappeared into a black hole. so i spent a lot of time worrying about the european union, trade relations, the enlargement of nato and dealing with the emergence of central and eastern europe from