In his weekly address, U.S. President Barack Obama said that, in order to beat Ebola, “we have to stay vigilant” and “we have to work together at every level.” And U.S. Secretary of State John Kerry said that the United States approaches the fight against the disease “with humility and…a huge sense of purpose, but we know that no matter what we do, we’re not going to be able to do it alone.” In this week/today’s “Policy Brief” segment, we'll take a closer look at global unity against Ebola: