you heard "my take." now let me bring in fatima hassan, our human rights warrior and founder and director of health justice initiative in south africa. welcome. i know you have been critical of the travel bans put in place by many countries, including the united states, towards people coming out of south africa. is it not fair as a way of trying to prevent the vaccine spread, even though it is obviously not going to work perfectly, but isn't it fair to in some way try to stop the spread? how do you think about it? >> thanks, fareed. we don't think it's fair because the way in which it's been imposed is quite uneven, and a lot of the responses in the