congress must set clear and defined goals for the use of military force abroad and place a limit and against whom we can continue military action without a new authorization in order to finally put a stop to endless wars and prevent them in the future. second there should be a comprehensive rigorous and objective audit on the war over 20 years. we spent lots of money and lost lives. i commend the special inspector general for afghanistan reconstruction nor its oversight of the afghanistan reconstruction. but i do have questions beyond that. first general milley in your testimony you said and you mentioned that there are many lessons to be learned. what did you mean by that statement? >> i have think senator, thank you. i think there is a series of strategic lessons to be learned and i would echo some of the