Djokovic and Murray through in Doha as oldies bow out

(Reuters) - Ageless Czech Radek Stepanek's run at the Qatar Open was ended by defending champion Novak Djokovic on Thursday and fellow veteran Ivo Karlovic also bowed out at the quarter-final stage. World number one Andy Murray, bidding for a third Doha title, joined Djokovic in the semi-final with a hard-earned victory over Spain's Nicolas Almagro, his 27th consecutive win. Stepanek, at 38 the oldest player to reach an ATP quarter-final since Jimmy Connors in 1995, was no match for a clinical D