>> joining us now robin rene san erred who served as u.n. ambassador to nigeria.stin texas, mark schroder. director of a geopolitical intelligence firm. and a senior fellow at the brookings institution's calf grow initiative. mark schroder let me start with you. how much of the current problem in the central african republic has to do with the fact that this was already a long, troubled place? >> well, that's exactly right. if we look at the history of the central african republic, it has been one of insecurity, rebellions, going back decades. even if we look at this most immediate episode of violence and rebellions, we have to take it back at least to 2003 when the previous president came to power himself through all coup. he was overthrown almost a year ago, march last year, and the country has continued to deteriorate and struggle while trying to manage its own security gains. >> ambassador sanders, we saw foreign troops on the ground there, african union and france. but there has to be peace to keep in the first, doesn't there? more troops won't necessarily cu