>> so in terms of travel bans, i think it is justified to reduce the travel bans when you look at what has been happening in south africa, and the way that we've managed to control the spread of the disease. >> understood. portia, thanks so much for joining us. >> thank you for having me. and i'm jim sciutto in for jake tapper. our coverage continues coming up next with "the situation room" and wolf blitzer. ray loves vacations. but his diabetes never seemed to take one. everything felt like a 'no'. everything. but then ray went from no to know. with freestyle libre 2, now he knows his glucose levels when he needs to. and... when he wants to. so ray... can be ray.