‘I feel optimistic about future,’ says Andy Murray after doubles win

• Murray and Feliciano López win in straight sets
• Scot will play doubles at WimbledonAndy Murray embarked on his third comeback on Thursday, after nearly five months away from his obsession – and, against all expectations, he and his Spanish friend, Feliciano López, beat the best doubles team in the world, Juan Sebastián Cabal and Robert Farah.Murray fell once, rolling athletically, and did not limp or grimace at any time. He smiled and joked with Ló