Leon Smith hails Kyle Edmund as British focus turns to Davis Cup tie

• Captain says Edmund can be genuine force at top of game
• Great Britain take on Spain in Marbella in world group tieIt is a measure of the impact Kyle Edmund has made not only on this tournament but on the well-being of British tennis that his name was still buzzing around Melbourne Park long after he had left for home.Among his admirers is Leon Smith, the British Davis Cup captain who has seen Edmund develop from a quiet young prospect unsure of his own power, potential and, critica