The National's online sports editor Iain Hepburn talks about Andy Murray's Wimbledon quarter-final triumph over David Ferrer and the ongoing debate over goal-line technology in football.
Listen to our audio interview below.
Sport update: Wimbledon and goal-line technology
The National's online sports editor Iain Hepburn looks at tennis as Andy Murray, Roger Federer, Novak Djokovic and Jo Wilfried-Tsonga make up the last four.
Most popular today
