On Friday morning, the Czech president will stand in his summer palace and open an envelope that has been sealed for 88 years. Dictated by Tomáš Garrigue Masaryk, the founder of Czechoslovakia, shortly before his death in 1937, the letter inside has survived the Nazi invasion in the Second World War and the Soviet occupation. It was smuggled to London and eventually entrusted to the Czech national archive in 2005 which was given strict instructions not to open it for 20 years, or until Sept 19 2025. With that day almost here, expectation is mounting. One leading tabloid is featuring...