thing, and they are they re being graceful and gracious right now in what has to be an extraordinarily painful time for them too. but, yes, america is celebrating and has a very good reason to celebrate. brittney griner is coming home. her plane should be airborne leaving abu dhabi anytime now. let s bring in to speak about this prison exchange president of the council on foreign relations richard haass. your initial thoughts, then i have a couple followups for you. two thoughts, joe. one is for vladimir putin. it s to me instructive that this happened against the back drop of his preparing the russian people for a long war. this was for him a demonstration that he still has power, he still has options, he can deliver. he s in a position of some strength and not only weakness. that s one thing.
earlier this week scientists at the food and drug administration voiced some concern saying that moderna hasn t met all the criteria, but mainly because the first two doses reach such high efficacy. that s good news. an external panel of experts will provide their recommendations to the fda. they typically follow the recommendations. as for the mixing and matching, that s exciting news. the nih study released wednesday supported that the j&j had higher antibody levels if they received one of the mrna vaccines, moderna or pfizer, but it s still early, and we need more research. that s forthcoming. so we should really hold off on making any broad sweeping conclusions. this is good news if we can mix and match vaccines that are made from different mechanisms. a couple followups. talk to me about the timing of administering the j&j shot. it s actually different than