Rafael Nadal loses to 16th-seeded Giles Muller
                                
                                
                                    (Newser) -
                                    First, Rafael Nadal erased a two-set deficit. Then, he erased four match points. Nadal could not, however, erase the fifth. After digging himself out of difficult situations over and over during the course of a riveting encounter that lasted more than 4½ hours, Nadal suddenly faltered, getting broken in the...