david nava rurks ro was recorded senior coordinator last week. he says the disease isn't just a humanitarian problem. he says it's impacting politics and economies and may have security ramifications. >> a really comprehensive support operation is necessary. it involves all the different assets, tools, necessities in our united nation's system. the ebola outbreak is one of the largest ever. they say it's claimed the lives of an estimated 1200 people. has the federal reserve given any clues about its policy going forward? >> yeah, catherine, a lot of people -- we've covered this -- a lot of people are focused on when the federal reserve may end its zero interest rate policy, especially since there's already been talk that policymakers plan to end the bond-buying program as early as october. now, fed board members have hinted that a strong recovery in the job market could lead them to end the zero interest rate policy earlier than expected. the fed has made public in late july. the minutes show that many of the policy committee members support a vi