How Dart revived career with help of Wimbledon champion

Britain's Harriet Dart has won her first WTA title, crediting former Wimbledon champion and coach Marion Bartoli for believing in her during a period when many doubted she could reach that level. Dart described the achievement as the best week of her career. Bartoli, who won Wimbledon in 2013, has played a key role in reviving Dart's professional tennis career.