>> great question, kwame. the frank answer is we do not know right now how long the protection will last. we hope this is long, robust, durable protection, but the only way to know that is by studying people who have received the vaccine for as long as a year or two years. only then will we be able to say the vaccine is durable for a year or two years. it's really something that we're all going to be learning together. >> dr. bedelia, we have sandy who says i'm probably going to receive an earlier dose as i'm 80 and have health issues. once everybody is vaccinated, are they capable of infecting others? >> sandy, this is one of the outstanding scientific questions that we have. what we know from the study that pfizer did and moderna did, they were looking for people who developed symptoms after getting a vaccine, so they were looking for symptomatic effects, not someone who may have been asymptomatic. currently we don't have that data. what we know is it will prevent you from getting potential disease, but you

but i want to buy nolo dirty has been voting since when gunness founding president kwame cooma was in power. i continue to borrow he said to our democracy keep growing not also expect whoever is charities in work to develop the country. of service say this election is a referendum on both candidates a president for 4 years well i think the the the recordings the next one is that the candidates one point i've been presidents. and that gives the the need for the electorates to access them on the basis of the 4 months dunning's also voted to choose $275.00 parliamentarians. a few incidents including gunshots or reported on election day but election officials say these once that difficult enough to affect the outcome of the vote. over attention shifts from polling stations like this to regional and national counting centers the national electoral commission has promised to announce the results within 24 hours a candidate must call more than 50 percent of the vote to win outright either way he's got names will be asked again to turn out to decide a winner in 3 weeks. we decrease al jazeera

i speak to kwame kwei-armah, the first black briton to head a major theater company, nity fair's editor-in-chiefuest editor ta-nehisi coates about their special issue activism and justice, and to the civil rights campaign of bryan stevenson. he tells our walter isaacson that america n ly move forward if it faces its past. [uplifng music] - [announcer] "amanpour & company" is made possible by the anderson family fund, sue and edgar wachenheim, iii, the cheryl and phillip milstein family, candace king weir,