In 1970, in our own world, US President tricky Dick' Nixon called out the US armed forces and National Guard to break a two-week strike by US postal workers. This was a dress rehearsal for the total cock-up he would later make of the Watergate cover-up. The illegal' strike began in New York City and dragged in America's 210,000 post workers. The army made lousy postmen and the strikers won.A year later British postmen weren't so lucky. They struck...