in oxford, tom fletcher.rincipal of hartford college at oxford university and foreign policy advisor to three u.k. prime ministers. in brussels, teresa fallon, she's the director of the center for russia-europe asia studies. and yousef amarani, morocco's ambassador to south africa. welcome to the program. tom, we are all trying to adapt to the new realities following the spread of covid-19. how has it affected global diplomacy? >> well, in massive ways, as with every other industry. most diplomacy has been happening online. just like this, by zoom, by skype, over the last year and a half. and covid knocked out a number of big international conferences that would normally have taken place in 2020. you have to remember, diplomacy is one of the last crafts that depends on the handshake, literally the handshake at the end of a peace deal. and so, with the last three feet, that human contact is incredibly important, and that is what diplomats have been lacking in the last year. >> teresa, the handshake, the opport