Charleston UK and Charleston SC epitomize the theory of six degrees of separation. Charles Anson and Juliet Nicolson, who live close to Charleston, Sussex, have unexpected local connections.  Charles Anson, former British Diplomat and Press Secretary to the Queen, is a descendant of Admiral George Anson, who was stationed in Charleston, SC, in the 1720s. The Admiral was a popular figure in 1720s Charleston, where he acquired land, built a home and sold plots forming the residential area of Ansonborough.…