 Mu butumwa bwo kuri Twitter, Perezida Donald Trump wAmerika yifurije ishya nihirwe Bwana Johnson kuri iyo ntsinzi ikomeye, avuga ko ubu noneho Ubwongereza nAmerika bizagira ubwisanzure bwo kugirana amasezerano yubucuruzi mashya akomeye nyuma ya Brexit. 