Disruption, delays, travel chaos, fierce debate and financial woe have been regular newspaper headlines since Edinburgh announced plans to bring back trams. Edinburgh's first tramway network was a horse-drawn service from Haymarket to Bernard Street, opened in 1871. In January 1888, a cable system came into operation. With amalgamations with the electric Leith system and a takeover by Edinburgh Corporation, the trams were all electrified in 1923.In...