i feel that the whole story is unknown about andrew cohen. i think the city should give him a chance to clear his name. thank you. supervisor campos: thank you very much. is there any other member of the public who would like to speak on this item? cnn, that includes the public comment portion of this item. thank you again, colleagues, for your support. supervisor mirkarimi: ok, public comment is closed. thank you again, supervisor campos. i also want to thank so many people were not here today, who over the years, not just recently but over the last five years in particular, who have worked diligently and the three police chiefs to really advance what would be measured, rational, and accountable policies. we think that the culmination of those efforts have now arrived at a place where we can place the general orders and also then reflect its in ordinance and total law. i think that is an important milestone. thank you to all of those who cannot be here for this particular hearing. shall we take this and move this forward with recommendations

cohen is an goldman sachs. ed is chairman of the isd group and former trustee of the club. they will each ask a question to the secretary. abby? >> andrew, thank you. and good morning, madam secretary. >> good morning, abby. >> thank you so much for joining us today and for providing what was an extremely forward-looking thoughtful and dare i say it, comprehensive review of these very critical issues. it was so comprehensive that what i would like to do is to drill down on just one of the topics that you raised specifically the efficacy of the u.s. economic model. you asserted and the data certainly prove that has never been a more effective economic model in terms of creating widespread prosperity and also enhancing democracy and freedom. and one of the elements of our model has been a focus on free markets. and what we certainly see in the environment today is that many u.s. companies have already begun to respond to the global rebalancing with faster economic growth now being seen in places like asia and latin america. in fact, with the companies in the s&p 500, 30% of their revenues are already being generated outside the united sta

us right now is wes cohen, expert appraiser and auctioneer and host of "history detectives" very long title on pbs. along with him, we have chandler battle, the great grandson of andrewn in the photograph and bobby chandler, the great grandson of silas chandler, the black man in the photograph. good morning to all of you guys. >> good morning. >> so wes, this all started when you showed this -- it's called a civil war tin type, an image of a black man and a white man both wearing confederate uniforms and guns makes it look like the african-american was fighting on the side of the confederates. >> yeah and the family stories we're going to hear in a second is that silas, the african-american was either freed or had purchased his freedom before the war and then went off to fight willingly for the confederacy. >> and chandler, why is it you wanted your family to get to the bottom of this? >> well, i think that the photograph has been part of the popular culture in the civil war scene for a number of years. and lots of stories have been bandied about in terms of the men in the photograph and we appreciated the opportunity for some scholarly research offered by the histor