. >> laura lauter. hasn't the train left the station on this?what would be -- what would happen if the vetoproof majority in congress veto the deal? they have begun releasing sanctuaries -- sanctions already. the genie is out of the bottle. what is congress thinking about what his next? we can't reinstate those sanctions. mr. spence: you raise an important part. i firmly believe in this agreement and think it makes the united states safer now than 1015 years, and generations to come. i also firmly believe we need to have a robust and open debate about what this means. this is an important part of america's national security that we need to have a debate that recognizes that people on both sides where their concerns. that said, i think it would be a tremendous mistake for congress to vote this down. and for congress to pull back the freehand the president has had this negotiation. i think we need to go in. part of the reason we need to have this debate will become stronger as we go through this. as we talked about on this panel, the types of reso

quests laura lauter, lotter. hasn't the trading with the station on this? what would happen if the united states congress with a vetoproof majority rejected the deal? essentially china, russia, and india have already begun lifting sanctions for all intensive purposes. we could thought resurrect the sanctions regime we are ready have, so what is congress thinking about what is next, because we cannot reinstate those things. i think you raise a really interesting point. i firmly believe in this agreement and think it makes the than 10tates safer now and picking generations to come. i also firmly believe we need to have robust and open debate about what this means. this an important part of national security. >> next, live to the brookings future offor afghanistan with general john campbell, commander of operation resolute support here in washington, d.c. >> 10,000 uniformed personnel. this is an operation that is now nearing roughly its 14th year, although it is then renamed and now operation resolute support, an operation now only 10% the size it had been at