Wawrinka relieved, Murray teeters on the brink

By Martyn Herman PARIS (Reuters) - Defending champion Stan Wawrinka breathed a huge sigh of relief and Andy Murray faced a sleepless night after both got bogged down by belligerent Czechs at a sodden French Open on Monday. A day that began two hours late after torrential rain ended with world number two Murray hanging on against 37-year-old Czech qualifier Radek Stepanek having lost the opening two sets in the Philippe Chatrier Court gloom. When play was finally suspended Murray had repaired som